Finding the Fourth Proportional to 116,516.19, 160,790.82 and 65,528.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,516.19 : 160,790.82 = 65,528.91 : x
2. Step 2: Convert to fraction form
   116,516.19/160,790.82 = 65,528.91/x
3. Step 3: Cross multiply
   116,516.19x = 160,790.82 × 65,528.91
4. Step 4: Simplify right side
   116,516.19x = 10,536,447,172.61
5. Step 5: Solve for x
   x = 10,536,447,172.61/116,516.19
6. Step 6: Final answer
   x = 90,429.04