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Finding the Fourth Proportional to 8,915.92, 12,303.98 and 4,936.95

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Solution

The fourth proportional to 8,915.92, 12,303.98 and 4,936.95 is: 6,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.92 : 12,303.98 = 4,936.95 : x
  2. Step 2: Convert to fraction form
    8,915.92/12,303.98 = 4,936.95/x
  3. Step 3: Cross multiply
    8,915.92x = 12,303.98 × 4,936.95
  4. Step 4: Simplify right side
    8,915.92x = 60,744,155.66
  5. Step 5: Solve for x
    x = 60,744,155.66/8,915.92
  6. Step 6: Final answer
    x = 6,813.00

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