Finding the Fourth Proportional to 79,499.34, 109,711.26 and 43,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,499.34 : 109,711.26 = 43,689.78 : x
2. Step 2: Convert to fraction form
   79,499.34/109,711.26 = 43,689.78/x
3. Step 3: Cross multiply
   79,499.34x = 109,711.26 × 43,689.78
4. Step 4: Simplify right side
   79,499.34x = 4,793,260,812.92
5. Step 5: Solve for x
   x = 4,793,260,812.92/79,499.34
6. Step 6: Final answer
   x = 60,293.09