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Finding the Fourth Proportional to 215,991.39, 323,985.71 and 73,768.05

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Solution

The fourth proportional to 215,991.39, 323,985.71 and 73,768.05 is: 110,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,991.39 : 323,985.71 = 73,768.05 : x
  2. Step 2: Convert to fraction form
    215,991.39/323,985.71 = 73,768.05/x
  3. Step 3: Cross multiply
    215,991.39x = 323,985.71 × 73,768.05
  4. Step 4: Simplify right side
    215,991.39x = 23,899,793,685.73
  5. Step 5: Solve for x
    x = 23,899,793,685.73/215,991.39
  6. Step 6: Final answer
    x = 110,651.60

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