Finding the Fourth Proportional to 116,452.93, 160,685.02 and 65,458.59

Step by Step Solution

1. Step 1: Write the proportion equation
   116,452.93 : 160,685.02 = 65,458.59 : x
2. Step 2: Convert to fraction form
   116,452.93/160,685.02 = 65,458.59/x
3. Step 3: Cross multiply
   116,452.93x = 160,685.02 × 65,458.59
4. Step 4: Simplify right side
   116,452.93x = 10,518,214,843.32
5. Step 5: Solve for x
   x = 10,518,214,843.32/116,452.93
6. Step 6: Final answer
   x = 90,321.60