Finding the Fourth Proportional to 72,440.34, 108,658.89 and 33,007.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,440.34 : 108,658.89 = 33,007.92 : x
2. Step 2: Convert to fraction form
   72,440.34/108,658.89 = 33,007.92/x
3. Step 3: Cross multiply
   72,440.34x = 108,658.89 × 33,007.92
4. Step 4: Simplify right side
   72,440.34x = 3,586,603,948.41
5. Step 5: Solve for x
   x = 3,586,603,948.41/72,440.34
6. Step 6: Final answer
   x = 49,511.14