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Finding the Fourth Proportional to 10,940.73, 16,404.39 and 5,091.72

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Solution

The fourth proportional to 10,940.73, 16,404.39 and 5,091.72 is: 7,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.73 : 16,404.39 = 5,091.72 : x
  2. Step 2: Convert to fraction form
    10,940.73/16,404.39 = 5,091.72/x
  3. Step 3: Cross multiply
    10,940.73x = 16,404.39 × 5,091.72
  4. Step 4: Simplify right side
    10,940.73x = 83,526,560.65
  5. Step 5: Solve for x
    x = 83,526,560.65/10,940.73
  6. Step 6: Final answer
    x = 7,634.46

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