Finding the Fourth Proportional to 22,726.28, 31,362.50 and 13,293

Step by Step Solution

1. Step 1: Write the proportion equation
   22,726.28 : 31,362.50 = 13,293 : x
2. Step 2: Convert to fraction form
   22,726.28/31,362.50 = 13,293/x
3. Step 3: Cross multiply
   22,726.28x = 31,362.50 × 13,293
4. Step 4: Simplify right side
   22,726.28x = 416,901,712.50
5. Step 5: Solve for x
   x = 416,901,712.50/22,726.28
6. Step 6: Final answer
   x = 18,344.48