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Finding the Fourth Proportional to 52,585.40, 78,878.10 and 27,615.80

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Solution

The fourth proportional to 52,585.40, 78,878.10 and 27,615.80 is: 41,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,585.40 : 78,878.10 = 27,615.80 : x
  2. Step 2: Convert to fraction form
    52,585.40/78,878.10 = 27,615.80/x
  3. Step 3: Cross multiply
    52,585.40x = 78,878.10 × 27,615.80
  4. Step 4: Simplify right side
    52,585.40x = 2,178,281,833.98
  5. Step 5: Solve for x
    x = 2,178,281,833.98/52,585.40
  6. Step 6: Final answer
    x = 41,423.70

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