Finding the Fourth Proportional to 22,256.51, 30,716.82 and 12,825.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,256.51 : 30,716.82 = 12,825.14 : x
2. Step 2: Convert to fraction form
   22,256.51/30,716.82 = 12,825.14/x
3. Step 3: Cross multiply
   22,256.51x = 30,716.82 × 12,825.14
4. Step 4: Simplify right side
   22,256.51x = 393,947,363.27
5. Step 5: Solve for x
   x = 393,947,363.27/22,256.51
6. Step 6: Final answer
   x = 17,700.32