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Finding the Fourth Proportional to 191,835.60, 287,728.20 and 58,729.20

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Solution

The fourth proportional to 191,835.60, 287,728.20 and 58,729.20 is: 88,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,835.60 : 287,728.20 = 58,729.20 : x
  2. Step 2: Convert to fraction form
    191,835.60/287,728.20 = 58,729.20/x
  3. Step 3: Cross multiply
    191,835.60x = 287,728.20 × 58,729.20
  4. Step 4: Simplify right side
    191,835.60x = 16,898,047,003.44
  5. Step 5: Solve for x
    x = 16,898,047,003.44/191,835.60
  6. Step 6: Final answer
    x = 88,086.09

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