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Finding the Fourth Proportional to 55,576.70, 76,695.84 and 30,426.20

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Solution

The fourth proportional to 55,576.70, 76,695.84 and 30,426.20 is: 41,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.70 : 76,695.84 = 30,426.20 : x
  2. Step 2: Convert to fraction form
    55,576.70/76,695.84 = 30,426.20/x
  3. Step 3: Cross multiply
    55,576.70x = 76,695.84 × 30,426.20
  4. Step 4: Simplify right side
    55,576.70x = 2,333,562,583.53
  5. Step 5: Solve for x
    x = 2,333,562,583.53/55,576.70
  6. Step 6: Final answer
    x = 41,988.15

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