Finding the Fourth Proportional to 22,685.24, 31,301.06 and 13,251.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,685.24 : 31,301.06 = 13,251.98 : x
2. Step 2: Convert to fraction form
   22,685.24/31,301.06 = 13,251.98/x
3. Step 3: Cross multiply
   22,685.24x = 31,301.06 × 13,251.98
4. Step 4: Simplify right side
   22,685.24x = 414,801,033.09
5. Step 5: Solve for x
   x = 414,801,033.09/22,685.24
6. Step 6: Final answer
   x = 18,285.06