Finding the Fourth Proportional to 188,960.55, 260,755.72 and 117,339.04

Step by Step Solution

1. Step 1: Write the proportion equation
   188,960.55 : 260,755.72 = 117,339.04 : x
2. Step 2: Convert to fraction form
   188,960.55/260,755.72 = 117,339.04/x
3. Step 3: Cross multiply
   188,960.55x = 260,755.72 × 117,339.04
4. Step 4: Simplify right side
   188,960.55x = 30,596,825,859.31
5. Step 5: Solve for x
   x = 30,596,825,859.31/188,960.55
6. Step 6: Final answer
   x = 161,921.77