Finding the Fourth Proportional to 111,940.10, 167,910.15 and 76,510.70

Step by Step Solution

1. Step 1: Write the proportion equation
   111,940.10 : 167,910.15 = 76,510.70 : x
2. Step 2: Convert to fraction form
   111,940.10/167,910.15 = 76,510.70/x
3. Step 3: Cross multiply
   111,940.10x = 167,910.15 × 76,510.70
4. Step 4: Simplify right side
   111,940.10x = 12,846,923,113.61
5. Step 5: Solve for x
   x = 12,846,923,113.61/111,940.10
6. Step 6: Final answer
   x = 114,766.05