Finding the Fourth Proportional to 22,839.96, 31,514.22 and 13,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,839.96 : 31,514.22 = 13,406.04 : x
2. Step 2: Convert to fraction form
   22,839.96/31,514.22 = 13,406.04/x
3. Step 3: Cross multiply
   22,839.96x = 31,514.22 × 13,406.04
4. Step 4: Simplify right side
   22,839.96x = 422,480,893.89
5. Step 5: Solve for x
   x = 422,480,893.89/22,839.96
6. Step 6: Final answer
   x = 18,497.44