Finding the Fourth Proportional to 22,250.72, 30,712.83 and 12,825.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,250.72 : 30,712.83 = 12,825.56 : x
2. Step 2: Convert to fraction form
   22,250.72/30,712.83 = 12,825.56/x
3. Step 3: Cross multiply
   22,250.72x = 30,712.83 × 12,825.56
4. Step 4: Simplify right side
   22,250.72x = 393,909,243.93
5. Step 5: Solve for x
   x = 393,909,243.93/22,250.72
6. Step 6: Final answer
   x = 17,703.21