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Finding the Fourth Proportional to 13,599.92, 20,401.68 and 5,810.52

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Solution

The fourth proportional to 13,599.92, 20,401.68 and 5,810.52 is: 8,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.92 : 20,401.68 = 5,810.52 : x
  2. Step 2: Convert to fraction form
    13,599.92/20,401.68 = 5,810.52/x
  3. Step 3: Cross multiply
    13,599.92x = 20,401.68 × 5,810.52
  4. Step 4: Simplify right side
    13,599.92x = 118,544,369.67
  5. Step 5: Solve for x
    x = 118,544,369.67/13,599.92
  6. Step 6: Final answer
    x = 8,716.55

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