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Finding the Fourth Proportional to 72,744.04, 100,371.72 and 42,523.52

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Solution

The fourth proportional to 72,744.04, 100,371.72 and 42,523.52 is: 58,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,744.04 : 100,371.72 = 42,523.52 : x
  2. Step 2: Convert to fraction form
    72,744.04/100,371.72 = 42,523.52/x
  3. Step 3: Cross multiply
    72,744.04x = 100,371.72 × 42,523.52
  4. Step 4: Simplify right side
    72,744.04x = 4,268,158,842.85
  5. Step 5: Solve for x
    x = 4,268,158,842.85/72,744.04
  6. Step 6: Final answer
    x = 58,673.66

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