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Finding the Fourth Proportional to 23,456.78, 32,370.10 and 12,845.78

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Solution

The fourth proportional to 23,456.78, 32,370.10 and 12,845.78 is: 17,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,456.78 : 32,370.10 = 12,845.78 : x
  2. Step 2: Convert to fraction form
    23,456.78/32,370.10 = 12,845.78/x
  3. Step 3: Cross multiply
    23,456.78x = 32,370.10 × 12,845.78
  4. Step 4: Simplify right side
    23,456.78x = 415,819,183.18
  5. Step 5: Solve for x
    x = 415,819,183.18/23,456.78
  6. Step 6: Final answer
    x = 17,727.04

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