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Finding the Fourth Proportional to 8,815.92, 13,225.17 and 2,970.54

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Solution

The fourth proportional to 8,815.92, 13,225.17 and 2,970.54 is: 4,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.92 : 13,225.17 = 2,970.54 : x
  2. Step 2: Convert to fraction form
    8,815.92/13,225.17 = 2,970.54/x
  3. Step 3: Cross multiply
    8,815.92x = 13,225.17 × 2,970.54
  4. Step 4: Simplify right side
    8,815.92x = 39,285,896.49
  5. Step 5: Solve for x
    x = 39,285,896.49/8,815.92
  6. Step 6: Final answer
    x = 4,456.24

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