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Finding the Fourth Proportional to 7,469.99, 11,197.15 and 2,788.11

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Solution

The fourth proportional to 7,469.99, 11,197.15 and 2,788.11 is: 4,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.99 : 11,197.15 = 2,788.11 : x
  2. Step 2: Convert to fraction form
    7,469.99/11,197.15 = 2,788.11/x
  3. Step 3: Cross multiply
    7,469.99x = 11,197.15 × 2,788.11
  4. Step 4: Simplify right side
    7,469.99x = 31,218,885.89
  5. Step 5: Solve for x
    x = 31,218,885.89/7,469.99
  6. Step 6: Final answer
    x = 4,179.24

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