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Finding the Fourth Proportional to 18,866.48, 26,038.96 and 10,913.54

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Solution

The fourth proportional to 18,866.48, 26,038.96 and 10,913.54 is: 15,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.48 : 26,038.96 = 10,913.54 : x
  2. Step 2: Convert to fraction form
    18,866.48/26,038.96 = 10,913.54/x
  3. Step 3: Cross multiply
    18,866.48x = 26,038.96 × 10,913.54
  4. Step 4: Simplify right side
    18,866.48x = 284,177,231.52
  5. Step 5: Solve for x
    x = 284,177,231.52/18,866.48
  6. Step 6: Final answer
    x = 15,062.55

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