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Finding the Fourth Proportional to 58,077.20, 87,115.80 and 35,818.40

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Solution

The fourth proportional to 58,077.20, 87,115.80 and 35,818.40 is: 53,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,077.20 : 87,115.80 = 35,818.40 : x
  2. Step 2: Convert to fraction form
    58,077.20/87,115.80 = 35,818.40/x
  3. Step 3: Cross multiply
    58,077.20x = 87,115.80 × 35,818.40
  4. Step 4: Simplify right side
    58,077.20x = 3,120,348,570.72
  5. Step 5: Solve for x
    x = 3,120,348,570.72/58,077.20
  6. Step 6: Final answer
    x = 53,727.60

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