Finding the Fourth Proportional to 116,085.72, 160,152.24 and 75,786.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,085.72 : 160,152.24 = 75,786.60 : x
2. Step 2: Convert to fraction form
   116,085.72/160,152.24 = 75,786.60/x
3. Step 3: Cross multiply
   116,085.72x = 160,152.24 × 75,786.60
4. Step 4: Simplify right side
   116,085.72x = 12,137,393,751.98
5. Step 5: Solve for x
   x = 12,137,393,751.98/116,085.72
6. Step 6: Final answer
   x = 104,555.44