Finding the Fourth Proportional to 50,220.80, 69,278.72 and 34,082.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,220.80 : 69,278.72 = 34,082.56 : x
2. Step 2: Convert to fraction form
   50,220.80/69,278.72 = 34,082.56/x
3. Step 3: Cross multiply
   50,220.80x = 69,278.72 × 34,082.56
4. Step 4: Simplify right side
   50,220.80x = 2,361,196,131.12
5. Step 5: Solve for x
   x = 2,361,196,131.12/50,220.80
6. Step 6: Final answer
   x = 47,016.30