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Finding the Fourth Proportional to 52,726.84, 79,172.26 and 42,770.52

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Solution

The fourth proportional to 52,726.84, 79,172.26 and 42,770.52 is: 64,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.84 : 79,172.26 = 42,770.52 : x
  2. Step 2: Convert to fraction form
    52,726.84/79,172.26 = 42,770.52/x
  3. Step 3: Cross multiply
    52,726.84x = 79,172.26 × 42,770.52
  4. Step 4: Simplify right side
    52,726.84x = 3,386,238,729.78
  5. Step 5: Solve for x
    x = 3,386,238,729.78/52,726.84
  6. Step 6: Final answer
    x = 64,222.30

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