Finding the Fourth Proportional to 22,981.25, 31,726.74 and 13,908.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,981.25 : 31,726.74 = 13,908.30 : x
2. Step 2: Convert to fraction form
   22,981.25/31,726.74 = 13,908.30/x
3. Step 3: Cross multiply
   22,981.25x = 31,726.74 × 13,908.30
4. Step 4: Simplify right side
   22,981.25x = 441,265,017.94
5. Step 5: Solve for x
   x = 441,265,017.94/22,981.25
6. Step 6: Final answer
   x = 19,201.09