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Finding the Fourth Proportional to 421,002.02, 580,817.86 and 259,576.81

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Solution

The fourth proportional to 421,002.02, 580,817.86 and 259,576.81 is: 358,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,002.02 : 580,817.86 = 259,576.81 : x
  2. Step 2: Convert to fraction form
    421,002.02/580,817.86 = 259,576.81/x
  3. Step 3: Cross multiply
    421,002.02x = 580,817.86 × 259,576.81
  4. Step 4: Simplify right side
    421,002.02x = 150,766,845,188.84
  5. Step 5: Solve for x
    x = 150,766,845,188.84/421,002.02
  6. Step 6: Final answer
    x = 358,114.30

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