Finding the Fourth Proportional to 72,629.40, 108,790.94 and 33,219.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,629.40 : 108,790.94 = 33,219.72 : x
2. Step 2: Convert to fraction form
   72,629.40/108,790.94 = 33,219.72/x
3. Step 3: Cross multiply
   72,629.40x = 108,790.94 × 33,219.72
4. Step 4: Simplify right side
   72,629.40x = 3,614,004,565.34
5. Step 5: Solve for x
   x = 3,614,004,565.34/72,629.40
6. Step 6: Final answer
   x = 49,759.53