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Finding the Fourth Proportional to 215,848.80, 323,619.60 and 82,677.60

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Solution

The fourth proportional to 215,848.80, 323,619.60 and 82,677.60 is: 123,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,848.80 : 323,619.60 = 82,677.60 : x
  2. Step 2: Convert to fraction form
    215,848.80/323,619.60 = 82,677.60/x
  3. Step 3: Cross multiply
    215,848.80x = 323,619.60 × 82,677.60
  4. Step 4: Simplify right side
    215,848.80x = 26,756,091,840.96
  5. Step 5: Solve for x
    x = 26,756,091,840.96/215,848.80
  6. Step 6: Final answer
    x = 123,957.57

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