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Finding the Fourth Proportional to 192,711.29, 288,900.81 and 74,465.60

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Solution

The fourth proportional to 192,711.29, 288,900.81 and 74,465.60 is: 111,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,711.29 : 288,900.81 = 74,465.60 : x
  2. Step 2: Convert to fraction form
    192,711.29/288,900.81 = 74,465.60/x
  3. Step 3: Cross multiply
    192,711.29x = 288,900.81 × 74,465.60
  4. Step 4: Simplify right side
    192,711.29x = 21,513,170,712.63
  5. Step 5: Solve for x
    x = 21,513,170,712.63/192,711.29
  6. Step 6: Final answer
    x = 111,634.20

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