Finding the Fourth Proportional to 22,144.96, 30,562.56 and 12,711.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.96 : 30,562.56 = 12,711.68 : x
2. Step 2: Convert to fraction form
   22,144.96/30,562.56 = 12,711.68/x
3. Step 3: Cross multiply
   22,144.96x = 30,562.56 × 12,711.68
4. Step 4: Simplify right side
   22,144.96x = 388,501,482.70
5. Step 5: Solve for x
   x = 388,501,482.70/22,144.96
6. Step 6: Final answer
   x = 17,543.56