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Finding the Fourth Proportional to 123,209.39, 184,836.86 and 38,990.75

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Solution

The fourth proportional to 123,209.39, 184,836.86 and 38,990.75 is: 58,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,209.39 : 184,836.86 = 38,990.75 : x
  2. Step 2: Convert to fraction form
    123,209.39/184,836.86 = 38,990.75/x
  3. Step 3: Cross multiply
    123,209.39x = 184,836.86 × 38,990.75
  4. Step 4: Simplify right side
    123,209.39x = 7,206,926,679.91
  5. Step 5: Solve for x
    x = 7,206,926,679.91/123,209.39
  6. Step 6: Final answer
    x = 58,493.33

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