Finding the Fourth Proportional to 80,696.54, 120,785.94 and 43,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   80,696.54 : 120,785.94 = 43,162.76 : x
2. Step 2: Convert to fraction form
   80,696.54/120,785.94 = 43,162.76/x
3. Step 3: Cross multiply
   80,696.54x = 120,785.94 × 43,162.76
4. Step 4: Simplify right side
   80,696.54x = 5,213,454,539.59
5. Step 5: Solve for x
   x = 5,213,454,539.59/80,696.54
6. Step 6: Final answer
   x = 64,605.68