Finding the Fourth Proportional to 22,975.50, 31,706.22 and 13,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,975.50 : 31,706.22 = 13,039.50 : x
2. Step 2: Convert to fraction form
   22,975.50/31,706.22 = 13,039.50/x
3. Step 3: Cross multiply
   22,975.50x = 31,706.22 × 13,039.50
4. Step 4: Simplify right side
   22,975.50x = 413,433,255.69
5. Step 5: Solve for x
   x = 413,433,255.69/22,975.50
6. Step 6: Final answer
   x = 17,994.53