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Finding the Fourth Proportional to 251,759.28, 377,508.90 and 74,243.72

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Solution

The fourth proportional to 251,759.28, 377,508.90 and 74,243.72 is: 111,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,759.28 : 377,508.90 = 74,243.72 : x
  2. Step 2: Convert to fraction form
    251,759.28/377,508.90 = 74,243.72/x
  3. Step 3: Cross multiply
    251,759.28x = 377,508.90 × 74,243.72
  4. Step 4: Simplify right side
    251,759.28x = 28,027,665,069.11
  5. Step 5: Solve for x
    x = 28,027,665,069.11/251,759.28
  6. Step 6: Final answer
    x = 111,327.24

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