Finding the Fourth Proportional to 116,449.79, 160,700.90 and 65,465.37

Step by Step Solution

1. Step 1: Write the proportion equation
   116,449.79 : 160,700.90 = 65,465.37 : x
2. Step 2: Convert to fraction form
   116,449.79/160,700.90 = 65,465.37/x
3. Step 3: Cross multiply
   116,449.79x = 160,700.90 × 65,465.37
4. Step 4: Simplify right side
   116,449.79x = 10,520,343,550.51
5. Step 5: Solve for x
   x = 10,520,343,550.51/116,449.79
6. Step 6: Final answer
   x = 90,342.32