Finding the Fourth Proportional to 22,894.31, 31,594.84 and 12,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,894.31 : 31,594.84 = 12,822.72 : x
2. Step 2: Convert to fraction form
   22,894.31/31,594.84 = 12,822.72/x
3. Step 3: Cross multiply
   22,894.31x = 31,594.84 × 12,822.72
4. Step 4: Simplify right side
   22,894.31x = 405,131,786.76
5. Step 5: Solve for x
   x = 405,131,786.76/22,894.31
6. Step 6: Final answer
   x = 17,695.74