Finding the Fourth Proportional to 72,238.23, 108,335.16 and 25,480.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,238.23 : 108,335.16 = 25,480.17 : x
2. Step 2: Convert to fraction form
   72,238.23/108,335.16 = 25,480.17/x
3. Step 3: Cross multiply
   72,238.23x = 108,335.16 × 25,480.17
4. Step 4: Simplify right side
   72,238.23x = 2,760,398,293.78
5. Step 5: Solve for x
   x = 2,760,398,293.78/72,238.23
6. Step 6: Final answer
   x = 38,212.43