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Finding the Fourth Proportional to 39,876.87, 59,813.76 and 9,891.19

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Solution

The fourth proportional to 39,876.87, 59,813.76 and 9,891.19 is: 14,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.87 : 59,813.76 = 9,891.19 : x
  2. Step 2: Convert to fraction form
    39,876.87/59,813.76 = 9,891.19/x
  3. Step 3: Cross multiply
    39,876.87x = 59,813.76 × 9,891.19
  4. Step 4: Simplify right side
    39,876.87x = 591,629,115.24
  5. Step 5: Solve for x
    x = 591,629,115.24/39,876.87
  6. Step 6: Final answer
    x = 14,836.40

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