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Finding the Fourth Proportional to 47,129.73, 70,692.87 and 11,591.19

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Solution

The fourth proportional to 47,129.73, 70,692.87 and 11,591.19 is: 17,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.73 : 70,692.87 = 11,591.19 : x
  2. Step 2: Convert to fraction form
    47,129.73/70,692.87 = 11,591.19/x
  3. Step 3: Cross multiply
    47,129.73x = 70,692.87 × 11,591.19
  4. Step 4: Simplify right side
    47,129.73x = 819,414,487.82
  5. Step 5: Solve for x
    x = 819,414,487.82/47,129.73
  6. Step 6: Final answer
    x = 17,386.36

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