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Finding the Fourth Proportional to 74,149.52, 102,327.99 and 42,317.78

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Solution

The fourth proportional to 74,149.52, 102,327.99 and 42,317.78 is: 58,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,149.52 : 102,327.99 = 42,317.78 : x
  2. Step 2: Convert to fraction form
    74,149.52/102,327.99 = 42,317.78/x
  3. Step 3: Cross multiply
    74,149.52x = 102,327.99 × 42,317.78
  4. Step 4: Simplify right side
    74,149.52x = 4,330,293,368.66
  5. Step 5: Solve for x
    x = 4,330,293,368.66/74,149.52
  6. Step 6: Final answer
    x = 58,399.48

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