Finding the Fourth Proportional to 116,151.72, 160,301.46 and 65,178.21

Step by Step Solution

1. Step 1: Write the proportion equation
   116,151.72 : 160,301.46 = 65,178.21 : x
2. Step 2: Convert to fraction form
   116,151.72/160,301.46 = 65,178.21/x
3. Step 3: Cross multiply
   116,151.72x = 160,301.46 × 65,178.21
4. Step 4: Simplify right side
   116,151.72x = 10,448,162,223.19
5. Step 5: Solve for x
   x = 10,448,162,223.19/116,151.72
6. Step 6: Final answer
   x = 89,952.71