Finding the Fourth Proportional to 80,104.56, 120,229.47 and 42,696.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80,104.56 : 120,229.47 = 42,696.06 : x
2. Step 2: Convert to fraction form
   80,104.56/120,229.47 = 42,696.06/x
3. Step 3: Cross multiply
   80,104.56x = 120,229.47 × 42,696.06
4. Step 4: Simplify right side
   80,104.56x = 5,133,324,664.89
5. Step 5: Solve for x
   x = 5,133,324,664.89/80,104.56
6. Step 6: Final answer
   x = 64,082.80