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Finding the Fourth Proportional to 10,972.82, 16,459.20 and 5,133.54

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Solution

The fourth proportional to 10,972.82, 16,459.20 and 5,133.54 is: 7,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.82 : 16,459.20 = 5,133.54 : x
  2. Step 2: Convert to fraction form
    10,972.82/16,459.20 = 5,133.54/x
  3. Step 3: Cross multiply
    10,972.82x = 16,459.20 × 5,133.54
  4. Step 4: Simplify right side
    10,972.82x = 84,493,961.57
  5. Step 5: Solve for x
    x = 84,493,961.57/10,972.82
  6. Step 6: Final answer
    x = 7,700.30

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