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Finding the Fourth Proportional to 428,666.31, 591,550.70 and 237,678.03

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Solution

The fourth proportional to 428,666.31, 591,550.70 and 237,678.03 is: 327,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,666.31 : 591,550.70 = 237,678.03 : x
  2. Step 2: Convert to fraction form
    428,666.31/591,550.70 = 237,678.03/x
  3. Step 3: Cross multiply
    428,666.31x = 591,550.70 × 237,678.03
  4. Step 4: Simplify right side
    428,666.31x = 140,598,603,832.73
  5. Step 5: Solve for x
    x = 140,598,603,832.73/428,666.31
  6. Step 6: Final answer
    x = 327,990.80

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