Finding the Fourth Proportional to 22,571.46, 31,149.78 and 12,501

Step by Step Solution

1. Step 1: Write the proportion equation
   22,571.46 : 31,149.78 = 12,501 : x
2. Step 2: Convert to fraction form
   22,571.46/31,149.78 = 12,501/x
3. Step 3: Cross multiply
   22,571.46x = 31,149.78 × 12,501
4. Step 4: Simplify right side
   22,571.46x = 389,403,399.78
5. Step 5: Solve for x
   x = 389,403,399.78/22,571.46
6. Step 6: Final answer
   x = 17,252.03