Finding the Fourth Proportional to 22,744.16, 31,387.01 and 13,185.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,744.16 : 31,387.01 = 13,185.89 : x
2. Step 2: Convert to fraction form
   22,744.16/31,387.01 = 13,185.89/x
3. Step 3: Cross multiply
   22,744.16x = 31,387.01 × 13,185.89
4. Step 4: Simplify right side
   22,744.16x = 413,865,661.29
5. Step 5: Solve for x
   x = 413,865,661.29/22,744.16
6. Step 6: Final answer
   x = 18,196.57