Finding the Fourth Proportional to 116,395.30, 160,613.55 and 65,399.93

Step by Step Solution

1. Step 1: Write the proportion equation
   116,395.30 : 160,613.55 = 65,399.93 : x
2. Step 2: Convert to fraction form
   116,395.30/160,613.55 = 65,399.93/x
3. Step 3: Cross multiply
   116,395.30x = 160,613.55 × 65,399.93
4. Step 4: Simplify right side
   116,395.30x = 10,504,114,927.05
5. Step 5: Solve for x
   x = 10,504,114,927.05/116,395.30
6. Step 6: Final answer
   x = 90,245.18