Finding the Fourth Proportional to 116,449.29, 160,704.54 and 65,463.03

Step by Step Solution

1. Step 1: Write the proportion equation
   116,449.29 : 160,704.54 = 65,463.03 : x
2. Step 2: Convert to fraction form
   116,449.29/160,704.54 = 65,463.03/x
3. Step 3: Cross multiply
   116,449.29x = 160,704.54 × 65,463.03
4. Step 4: Simplify right side
   116,449.29x = 10,520,206,123.16
5. Step 5: Solve for x
   x = 10,520,206,123.16/116,449.29
6. Step 6: Final answer
   x = 90,341.52