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Finding the Fourth Proportional to 105,692.40, 158,538.60 and 26,809.20

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Solution

The fourth proportional to 105,692.40, 158,538.60 and 26,809.20 is: 40,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692.40 : 158,538.60 = 26,809.20 : x
  2. Step 2: Convert to fraction form
    105,692.40/158,538.60 = 26,809.20/x
  3. Step 3: Cross multiply
    105,692.40x = 158,538.60 × 26,809.20
  4. Step 4: Simplify right side
    105,692.40x = 4,250,293,035.12
  5. Step 5: Solve for x
    x = 4,250,293,035.12/105,692.40
  6. Step 6: Final answer
    x = 40,213.80

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