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Finding the Fourth Proportional to 205,922.16, 308,854.02 and 79,621.92

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Solution

The fourth proportional to 205,922.16, 308,854.02 and 79,621.92 is: 119,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,922.16 : 308,854.02 = 79,621.92 : x
  2. Step 2: Convert to fraction form
    205,922.16/308,854.02 = 79,621.92/x
  3. Step 3: Cross multiply
    205,922.16x = 308,854.02 × 79,621.92
  4. Step 4: Simplify right side
    205,922.16x = 24,591,550,072.12
  5. Step 5: Solve for x
    x = 24,591,550,072.12/205,922.16
  6. Step 6: Final answer
    x = 119,421.58

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