Finding the Fourth Proportional to 22,648.69, 31,250.16 and 13,696.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,648.69 : 31,250.16 = 13,696.01 : x
2. Step 2: Convert to fraction form
   22,648.69/31,250.16 = 13,696.01/x
3. Step 3: Cross multiply
   22,648.69x = 31,250.16 × 13,696.01
4. Step 4: Simplify right side
   22,648.69x = 428,002,347.61
5. Step 5: Solve for x
   x = 428,002,347.61/22,648.69
6. Step 6: Final answer
   x = 18,897.44