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Finding the Fourth Proportional to 103,695.58, 155,522.10 and 28,796.90

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Solution

The fourth proportional to 103,695.58, 155,522.10 and 28,796.90 is: 43,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.58 : 155,522.10 = 28,796.90 : x
  2. Step 2: Convert to fraction form
    103,695.58/155,522.10 = 28,796.90/x
  3. Step 3: Cross multiply
    103,695.58x = 155,522.10 × 28,796.90
  4. Step 4: Simplify right side
    103,695.58x = 4,478,554,361.49
  5. Step 5: Solve for x
    x = 4,478,554,361.49/103,695.58
  6. Step 6: Final answer
    x = 43,189.44

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