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Finding the Fourth Proportional to 9,912.36, 13,679.19 and 5,933.64

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Solution

The fourth proportional to 9,912.36, 13,679.19 and 5,933.64 is: 8,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.36 : 13,679.19 = 5,933.64 : x
  2. Step 2: Convert to fraction form
    9,912.36/13,679.19 = 5,933.64/x
  3. Step 3: Cross multiply
    9,912.36x = 13,679.19 × 5,933.64
  4. Step 4: Simplify right side
    9,912.36x = 81,167,388.95
  5. Step 5: Solve for x
    x = 81,167,388.95/9,912.36
  6. Step 6: Final answer
    x = 8,188.50

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