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Finding the Fourth Proportional to 72,896.87, 109,360.16 and 27,915.05

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Solution

The fourth proportional to 72,896.87, 109,360.16 and 27,915.05 is: 41,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,896.87 : 109,360.16 = 27,915.05 : x
  2. Step 2: Convert to fraction form
    72,896.87/109,360.16 = 27,915.05/x
  3. Step 3: Cross multiply
    72,896.87x = 109,360.16 × 27,915.05
  4. Step 4: Simplify right side
    72,896.87x = 3,052,794,334.41
  5. Step 5: Solve for x
    x = 3,052,794,334.41/72,896.87
  6. Step 6: Final answer
    x = 41,878.26

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