Finding the Fourth Proportional to 22,150.17, 30,571.98 and 12,723.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.17 : 30,571.98 = 12,723.93 : x
2. Step 2: Convert to fraction form
   22,150.17/30,571.98 = 12,723.93/x
3. Step 3: Cross multiply
   22,150.17x = 30,571.98 × 12,723.93
4. Step 4: Simplify right side
   22,150.17x = 388,995,733.48
5. Step 5: Solve for x
   x = 388,995,733.48/22,150.17
6. Step 6: Final answer
   x = 17,561.75