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Finding the Fourth Proportional to 52,611.10, 78,951.18 and 19,331.44

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Solution

The fourth proportional to 52,611.10, 78,951.18 and 19,331.44 is: 29,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.10 : 78,951.18 = 19,331.44 : x
  2. Step 2: Convert to fraction form
    52,611.10/78,951.18 = 19,331.44/x
  3. Step 3: Cross multiply
    52,611.10x = 78,951.18 × 19,331.44
  4. Step 4: Simplify right side
    52,611.10x = 1,526,239,999.10
  5. Step 5: Solve for x
    x = 1,526,239,999.10/52,611.10
  6. Step 6: Final answer
    x = 29,009.85

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