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Finding the Fourth Proportional to 205,928.90, 308,864.55 and 65,701.70

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Solution

The fourth proportional to 205,928.90, 308,864.55 and 65,701.70 is: 98,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,928.90 : 308,864.55 = 65,701.70 : x
  2. Step 2: Convert to fraction form
    205,928.90/308,864.55 = 65,701.70/x
  3. Step 3: Cross multiply
    205,928.90x = 308,864.55 × 65,701.70
  4. Step 4: Simplify right side
    205,928.90x = 20,292,926,004.74
  5. Step 5: Solve for x
    x = 20,292,926,004.74/205,928.90
  6. Step 6: Final answer
    x = 98,543.36

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