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Finding the Fourth Proportional to 95,135.40, 142,703.10 and 28,585.80

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Solution

The fourth proportional to 95,135.40, 142,703.10 and 28,585.80 is: 42,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,135.40 : 142,703.10 = 28,585.80 : x
  2. Step 2: Convert to fraction form
    95,135.40/142,703.10 = 28,585.80/x
  3. Step 3: Cross multiply
    95,135.40x = 142,703.10 × 28,585.80
  4. Step 4: Simplify right side
    95,135.40x = 4,079,282,275.98
  5. Step 5: Solve for x
    x = 4,079,282,275.98/95,135.40
  6. Step 6: Final answer
    x = 42,878.70

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