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Finding the Fourth Proportional to 74,230.24, 111,343.80 and 18,070.65

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Solution

The fourth proportional to 74,230.24, 111,343.80 and 18,070.65 is: 27,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,230.24 : 111,343.80 = 18,070.65 : x
  2. Step 2: Convert to fraction form
    74,230.24/111,343.80 = 18,070.65/x
  3. Step 3: Cross multiply
    74,230.24x = 111,343.80 × 18,070.65
  4. Step 4: Simplify right side
    74,230.24x = 2,012,054,839.47
  5. Step 5: Solve for x
    x = 2,012,054,839.47/74,230.24
  6. Step 6: Final answer
    x = 27,105.60

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