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Finding the Fourth Proportional to 9,283.78, 12,811.26 and 5,092.12

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Solution

The fourth proportional to 9,283.78, 12,811.26 and 5,092.12 is: 7,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.78 : 12,811.26 = 5,092.12 : x
  2. Step 2: Convert to fraction form
    9,283.78/12,811.26 = 5,092.12/x
  3. Step 3: Cross multiply
    9,283.78x = 12,811.26 × 5,092.12
  4. Step 4: Simplify right side
    9,283.78x = 65,236,473.27
  5. Step 5: Solve for x
    x = 65,236,473.27/9,283.78
  6. Step 6: Final answer
    x = 7,026.93

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