Finding the Fourth Proportional to 22,689.83, 31,307.48 and 13,738.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,689.83 : 31,307.48 = 13,738.16 : x
2. Step 2: Convert to fraction form
   22,689.83/31,307.48 = 13,738.16/x
3. Step 3: Cross multiply
   22,689.83x = 31,307.48 × 13,738.16
4. Step 4: Simplify right side
   22,689.83x = 430,107,100.75
5. Step 5: Solve for x
   x = 430,107,100.75/22,689.83
6. Step 6: Final answer
   x = 18,955.94