Finding the Fourth Proportional to 72,522.57, 108,789.09 and 30,360.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,522.57 : 108,789.09 = 30,360.25 : x
2. Step 2: Convert to fraction form
   72,522.57/108,789.09 = 30,360.25/x
3. Step 3: Cross multiply
   72,522.57x = 108,789.09 × 30,360.25
4. Step 4: Simplify right side
   72,522.57x = 3,302,863,425.73
5. Step 5: Solve for x
   x = 3,302,863,425.73/72,522.57
6. Step 6: Final answer
   x = 45,542.56