Finding the Fourth Proportional to 79,077.42, 109,123.46 and 48,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,077.42 : 109,123.46 = 48,441.20 : x
2. Step 2: Convert to fraction form
   79,077.42/109,123.46 = 48,441.20/x
3. Step 3: Cross multiply
   79,077.42x = 109,123.46 × 48,441.20
4. Step 4: Simplify right side
   79,077.42x = 5,286,071,350.55
5. Step 5: Solve for x
   x = 5,286,071,350.55/79,077.42
6. Step 6: Final answer
   x = 66,846.79