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Finding the Fourth Proportional to 207,244.20, 310,866.30 and 74,188.20

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Solution

The fourth proportional to 207,244.20, 310,866.30 and 74,188.20 is: 111,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,244.20 : 310,866.30 = 74,188.20 : x
  2. Step 2: Convert to fraction form
    207,244.20/310,866.30 = 74,188.20/x
  3. Step 3: Cross multiply
    207,244.20x = 310,866.30 × 74,188.20
  4. Step 4: Simplify right side
    207,244.20x = 23,062,611,237.66
  5. Step 5: Solve for x
    x = 23,062,611,237.66/207,244.20
  6. Step 6: Final answer
    x = 111,282.30

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