Finding the Fourth Proportional to 116,516.01, 160,790.56 and 65,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,516.01 : 160,790.56 = 65,528.72 : x
2. Step 2: Convert to fraction form
   116,516.01/160,790.56 = 65,528.72/x
3. Step 3: Cross multiply
   116,516.01x = 160,790.56 × 65,528.72
4. Step 4: Simplify right side
   116,516.01x = 10,536,399,584.88
5. Step 5: Solve for x
   x = 10,536,399,584.88/116,516.01
6. Step 6: Final answer
   x = 90,428.77