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Finding the Fourth Proportional to 111,128.40, 166,692.60 and 44,578.80

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Solution

The fourth proportional to 111,128.40, 166,692.60 and 44,578.80 is: 66,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,128.40 : 166,692.60 = 44,578.80 : x
  2. Step 2: Convert to fraction form
    111,128.40/166,692.60 = 44,578.80/x
  3. Step 3: Cross multiply
    111,128.40x = 166,692.60 × 44,578.80
  4. Step 4: Simplify right side
    111,128.40x = 7,430,956,076.88
  5. Step 5: Solve for x
    x = 7,430,956,076.88/111,128.40
  6. Step 6: Final answer
    x = 66,868.20

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