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Finding the Fourth Proportional to 76,158.36, 105,028.30 and 52,242.84

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Solution

The fourth proportional to 76,158.36, 105,028.30 and 52,242.84 is: 72,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,158.36 : 105,028.30 = 52,242.84 : x
  2. Step 2: Convert to fraction form
    76,158.36/105,028.30 = 52,242.84/x
  3. Step 3: Cross multiply
    76,158.36x = 105,028.30 × 52,242.84
  4. Step 4: Simplify right side
    76,158.36x = 5,486,976,672.37
  5. Step 5: Solve for x
    x = 5,486,976,672.37/76,158.36
  6. Step 6: Final answer
    x = 72,046.94

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