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Finding the Fourth Proportional to 8,407.91, 12,603.20 and 3,730.11

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Solution

The fourth proportional to 8,407.91, 12,603.20 and 3,730.11 is: 5,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.91 : 12,603.20 = 3,730.11 : x
  2. Step 2: Convert to fraction form
    8,407.91/12,603.20 = 3,730.11/x
  3. Step 3: Cross multiply
    8,407.91x = 12,603.20 × 3,730.11
  4. Step 4: Simplify right side
    8,407.91x = 47,011,363.19
  5. Step 5: Solve for x
    x = 47,011,363.19/8,407.91
  6. Step 6: Final answer
    x = 5,591.33

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