Finding the Fourth Proportional to 116,323.30, 160,525.14 and 65,336.80

Step by Step Solution

1. Step 1: Write the proportion equation
   116,323.30 : 160,525.14 = 65,336.80 : x
2. Step 2: Convert to fraction form
   116,323.30/160,525.14 = 65,336.80/x
3. Step 3: Cross multiply
   116,323.30x = 160,525.14 × 65,336.80
4. Step 4: Simplify right side
   116,323.30x = 10,488,198,967.15
5. Step 5: Solve for x
   x = 10,488,198,967.15/116,323.30
6. Step 6: Final answer
   x = 90,164.21