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Finding the Fourth Proportional to 29,978, 44,969.18 and 11,510

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Solution

The fourth proportional to 29,978, 44,969.18 and 11,510 is: 17,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978 : 44,969.18 = 11,510 : x
  2. Step 2: Convert to fraction form
    29,978/44,969.18 = 11,510/x
  3. Step 3: Cross multiply
    29,978x = 44,969.18 × 11,510
  4. Step 4: Simplify right side
    29,978x = 517,595,261.80
  5. Step 5: Solve for x
    x = 517,595,261.80/29,978
  6. Step 6: Final answer
    x = 17,265.84

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