Finding the Fourth Proportional to 50,020.12, 69,049.02 and 31,166.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,020.12 : 69,049.02 = 31,166.56 : x
2. Step 2: Convert to fraction form
   50,020.12/69,049.02 = 31,166.56/x
3. Step 3: Cross multiply
   50,020.12x = 69,049.02 × 31,166.56
4. Step 4: Simplify right side
   50,020.12x = 2,152,020,424.77
5. Step 5: Solve for x
   x = 2,152,020,424.77/50,020.12
6. Step 6: Final answer
   x = 43,023.10