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Finding the Fourth Proportional to 73,231.44, 109,771.74 and 28,840.20

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Solution

The fourth proportional to 73,231.44, 109,771.74 and 28,840.20 is: 43,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,231.44 : 109,771.74 = 28,840.20 : x
  2. Step 2: Convert to fraction form
    73,231.44/109,771.74 = 28,840.20/x
  3. Step 3: Cross multiply
    73,231.44x = 109,771.74 × 28,840.20
  4. Step 4: Simplify right side
    73,231.44x = 3,165,838,935.95
  5. Step 5: Solve for x
    x = 3,165,838,935.95/73,231.44
  6. Step 6: Final answer
    x = 43,230.60

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