Finding the Fourth Proportional to 79,119.57, 109,185.15 and 43,311.87

Step by Step Solution

1. Step 1: Write the proportion equation
   79,119.57 : 109,185.15 = 43,311.87 : x
2. Step 2: Convert to fraction form
   79,119.57/109,185.15 = 43,311.87/x
3. Step 3: Cross multiply
   79,119.57x = 109,185.15 × 43,311.87
4. Step 4: Simplify right side
   79,119.57x = 4,729,013,022.73
5. Step 5: Solve for x
   x = 4,729,013,022.73/79,119.57
6. Step 6: Final answer
   x = 59,770.46