Finding the Fourth Proportional to 22,160.52, 30,578.04 and 12,727.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,160.52 : 30,578.04 = 12,727.26 : x
2. Step 2: Convert to fraction form
   22,160.52/30,578.04 = 12,727.26/x
3. Step 3: Cross multiply
   22,160.52x = 30,578.04 × 12,727.26
4. Step 4: Simplify right side
   22,160.52x = 389,174,665.37
5. Step 5: Solve for x
   x = 389,174,665.37/22,160.52
6. Step 6: Final answer
   x = 17,561.62