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Finding the Fourth Proportional to 39,191.70, 58,747.29 and 15,489.62

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Solution

The fourth proportional to 39,191.70, 58,747.29 and 15,489.62 is: 23,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.70 : 58,747.29 = 15,489.62 : x
  2. Step 2: Convert to fraction form
    39,191.70/58,747.29 = 15,489.62/x
  3. Step 3: Cross multiply
    39,191.70x = 58,747.29 × 15,489.62
  4. Step 4: Simplify right side
    39,191.70x = 909,973,198.13
  5. Step 5: Solve for x
    x = 909,973,198.13/39,191.70
  6. Step 6: Final answer
    x = 23,218.52

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