Finding the Fourth Proportional to 116,081.34, 174,121.98 and 76,629.20

Step by Step Solution

1. Step 1: Write the proportion equation
   116,081.34 : 174,121.98 = 76,629.20 : x
2. Step 2: Convert to fraction form
   116,081.34/174,121.98 = 76,629.20/x
3. Step 3: Cross multiply
   116,081.34x = 174,121.98 × 76,629.20
4. Step 4: Simplify right side
   116,081.34x = 13,342,828,029.82
5. Step 5: Solve for x
   x = 13,342,828,029.82/116,081.34
6. Step 6: Final answer
   x = 114,943.78