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Finding the Fourth Proportional to 269,543.20, 404,363.40 and 111,787.60

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Solution

The fourth proportional to 269,543.20, 404,363.40 and 111,787.60 is: 167,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,543.20 : 404,363.40 = 111,787.60 : x
  2. Step 2: Convert to fraction form
    269,543.20/404,363.40 = 111,787.60/x
  3. Step 3: Cross multiply
    269,543.20x = 404,363.40 × 111,787.60
  4. Step 4: Simplify right side
    269,543.20x = 45,202,814,013.84
  5. Step 5: Solve for x
    x = 45,202,814,013.84/269,543.20
  6. Step 6: Final answer
    x = 167,701.56

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