Finding the Fourth Proportional to 116,080.78, 160,132.52 and 75,818.11

Step by Step Solution

1. Step 1: Write the proportion equation
   116,080.78 : 160,132.52 = 75,818.11 : x
2. Step 2: Convert to fraction form
   116,080.78/160,132.52 = 75,818.11/x
3. Step 3: Cross multiply
   116,080.78x = 160,132.52 × 75,818.11
4. Step 4: Simplify right side
   116,080.78x = 12,140,945,015.94
5. Step 5: Solve for x
   x = 12,140,945,015.94/116,080.78
6. Step 6: Final answer
   x = 104,590.48