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Finding the Fourth Proportional to 10,789.86, 16,187.29 and 3,394.13

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Solution

The fourth proportional to 10,789.86, 16,187.29 and 3,394.13 is: 5,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.86 : 16,187.29 = 3,394.13 : x
  2. Step 2: Convert to fraction form
    10,789.86/16,187.29 = 3,394.13/x
  3. Step 3: Cross multiply
    10,789.86x = 16,187.29 × 3,394.13
  4. Step 4: Simplify right side
    10,789.86x = 54,941,677.19
  5. Step 5: Solve for x
    x = 54,941,677.19/10,789.86
  6. Step 6: Final answer
    x = 5,091.97

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