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Finding the Fourth Proportional to 437,762.20, 656,643.30 and 157,288.60

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Solution

The fourth proportional to 437,762.20, 656,643.30 and 157,288.60 is: 235,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,762.20 : 656,643.30 = 157,288.60 : x
  2. Step 2: Convert to fraction form
    437,762.20/656,643.30 = 157,288.60/x
  3. Step 3: Cross multiply
    437,762.20x = 656,643.30 × 157,288.60
  4. Step 4: Simplify right side
    437,762.20x = 103,282,505,356.38
  5. Step 5: Solve for x
    x = 103,282,505,356.38/437,762.20
  6. Step 6: Final answer
    x = 235,932.90

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