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Finding the Fourth Proportional to 13,896.02, 19,176.86 and 7,608.40

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Solution

The fourth proportional to 13,896.02, 19,176.86 and 7,608.40 is: 10,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.02 : 19,176.86 = 7,608.40 : x
  2. Step 2: Convert to fraction form
    13,896.02/19,176.86 = 7,608.40/x
  3. Step 3: Cross multiply
    13,896.02x = 19,176.86 × 7,608.40
  4. Step 4: Simplify right side
    13,896.02x = 145,905,192.70
  5. Step 5: Solve for x
    x = 145,905,192.70/13,896.02
  6. Step 6: Final answer
    x = 10,499.78

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