Finding the Fourth Proportional to 79,516.94, 109,689.35 and 50,391.98

Step by Step Solution

1. Step 1: Write the proportion equation
   79,516.94 : 109,689.35 = 50,391.98 : x
2. Step 2: Convert to fraction form
   79,516.94/109,689.35 = 50,391.98/x
3. Step 3: Cross multiply
   79,516.94x = 109,689.35 × 50,391.98
4. Step 4: Simplify right side
   79,516.94x = 5,527,462,731.01
5. Step 5: Solve for x
   x = 5,527,462,731.01/79,516.94
6. Step 6: Final answer
   x = 69,513.02