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Finding the Fourth Proportional to 259,050.80, 388,576.20 and 72,062.30

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Solution

The fourth proportional to 259,050.80, 388,576.20 and 72,062.30 is: 108,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,050.80 : 388,576.20 = 72,062.30 : x
  2. Step 2: Convert to fraction form
    259,050.80/388,576.20 = 72,062.30/x
  3. Step 3: Cross multiply
    259,050.80x = 388,576.20 × 72,062.30
  4. Step 4: Simplify right side
    259,050.80x = 28,001,694,697.26
  5. Step 5: Solve for x
    x = 28,001,694,697.26/259,050.80
  6. Step 6: Final answer
    x = 108,093.45

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