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Finding the Fourth Proportional to 52,812.80, 79,215.35 and 19,517.34

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Solution

The fourth proportional to 52,812.80, 79,215.35 and 19,517.34 is: 29,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.80 : 79,215.35 = 19,517.34 : x
  2. Step 2: Convert to fraction form
    52,812.80/79,215.35 = 19,517.34/x
  3. Step 3: Cross multiply
    52,812.80x = 79,215.35 × 19,517.34
  4. Step 4: Simplify right side
    52,812.80x = 1,546,072,821.58
  5. Step 5: Solve for x
    x = 1,546,072,821.58/52,812.80
  6. Step 6: Final answer
    x = 29,274.59

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