Finding the Fourth Proportional to 22,411.94, 30,930.26 and 12,852.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,411.94 : 30,930.26 = 12,852.72 : x
2. Step 2: Convert to fraction form
   22,411.94/30,930.26 = 12,852.72/x
3. Step 3: Cross multiply
   22,411.94x = 30,930.26 × 12,852.72
4. Step 4: Simplify right side
   22,411.94x = 397,537,907.04
5. Step 5: Solve for x
   x = 397,537,907.04/22,411.94
6. Step 6: Final answer
   x = 17,737.78