Finding the Fourth Proportional to 22,141.50, 30,555.27 and 12,713.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.50 : 30,555.27 = 12,713.10 : x
2. Step 2: Convert to fraction form
   22,141.50/30,555.27 = 12,713.10/x
3. Step 3: Cross multiply
   22,141.50x = 30,555.27 × 12,713.10
4. Step 4: Simplify right side
   22,141.50x = 388,452,203.04
5. Step 5: Solve for x
   x = 388,452,203.04/22,141.50
6. Step 6: Final answer
   x = 17,544.08