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Finding the Fourth Proportional to 347,897.20, 521,845.80 and 237,305.20

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Solution

The fourth proportional to 347,897.20, 521,845.80 and 237,305.20 is: 355,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,897.20 : 521,845.80 = 237,305.20 : x
  2. Step 2: Convert to fraction form
    347,897.20/521,845.80 = 237,305.20/x
  3. Step 3: Cross multiply
    347,897.20x = 521,845.80 × 237,305.20
  4. Step 4: Simplify right side
    347,897.20x = 123,836,721,938.16
  5. Step 5: Solve for x
    x = 123,836,721,938.16/347,897.20
  6. Step 6: Final answer
    x = 355,957.80

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