Finding the Fourth Proportional to 79,142.32, 109,167.24 and 48,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,142.32 : 109,167.24 = 48,936.88 : x
2. Step 2: Convert to fraction form
   79,142.32/109,167.24 = 48,936.88/x
3. Step 3: Cross multiply
   79,142.32x = 109,167.24 × 48,936.88
4. Step 4: Simplify right side
   79,142.32x = 5,342,304,123.81
5. Step 5: Solve for x
   x = 5,342,304,123.81/79,142.32
6. Step 6: Final answer
   x = 67,502.50