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Finding the Fourth Proportional to 109,770.80, 164,656.20 and 26,664.80

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Solution

The fourth proportional to 109,770.80, 164,656.20 and 26,664.80 is: 39,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770.80 : 164,656.20 = 26,664.80 : x
  2. Step 2: Convert to fraction form
    109,770.80/164,656.20 = 26,664.80/x
  3. Step 3: Cross multiply
    109,770.80x = 164,656.20 × 26,664.80
  4. Step 4: Simplify right side
    109,770.80x = 4,390,524,641.76
  5. Step 5: Solve for x
    x = 4,390,524,641.76/109,770.80
  6. Step 6: Final answer
    x = 39,997.20

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