Finding the Fourth Proportional to 116,452.96, 160,688.88 and 65,458.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,452.96 : 160,688.88 = 65,458.48 : x
2. Step 2: Convert to fraction form
   116,452.96/160,688.88 = 65,458.48/x
3. Step 3: Cross multiply
   116,452.96x = 160,688.88 × 65,458.48
4. Step 4: Simplify right side
   116,452.96x = 10,518,449,837.70
5. Step 5: Solve for x
   x = 10,518,449,837.70/116,452.96
6. Step 6: Final answer
   x = 90,323.59