Finding the Fourth Proportional to 72,738.19, 108,986.59 and 25,328.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72,738.19 : 108,986.59 = 25,328.22 : x
2. Step 2: Convert to fraction form
   72,738.19/108,986.59 = 25,328.22/x
3. Step 3: Cross multiply
   72,738.19x = 108,986.59 × 25,328.22
4. Step 4: Simplify right side
   72,738.19x = 2,760,436,328.57
5. Step 5: Solve for x
   x = 2,760,436,328.57/72,738.19
6. Step 6: Final answer
   x = 37,950.30