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Finding the Fourth Proportional to 192,538.47, 288,949.60 and 91,336.84

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Solution

The fourth proportional to 192,538.47, 288,949.60 and 91,336.84 is: 137,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,538.47 : 288,949.60 = 91,336.84 : x
  2. Step 2: Convert to fraction form
    192,538.47/288,949.60 = 91,336.84/x
  3. Step 3: Cross multiply
    192,538.47x = 288,949.60 × 91,336.84
  4. Step 4: Simplify right side
    192,538.47x = 26,391,742,775.06
  5. Step 5: Solve for x
    x = 26,391,742,775.06/192,538.47
  6. Step 6: Final answer
    x = 137,072.57

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