Finding the Fourth Proportional to 22,744.02, 31,386.83 and 13,185.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,744.02 : 31,386.83 = 13,185.79 : x
2. Step 2: Convert to fraction form
   22,744.02/31,386.83 = 13,185.79/x
3. Step 3: Cross multiply
   22,744.02x = 31,386.83 × 13,185.79
4. Step 4: Simplify right side
   22,744.02x = 413,860,004.75
5. Step 5: Solve for x
   x = 413,860,004.75/22,744.02
6. Step 6: Final answer
   x = 18,196.43