Finding the Fourth Proportional to 22,748.44, 31,391.98 and 12,676.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,748.44 : 31,391.98 = 12,676.34 : x
2. Step 2: Convert to fraction form
   22,748.44/31,391.98 = 12,676.34/x
3. Step 3: Cross multiply
   22,748.44x = 31,391.98 × 12,676.34
4. Step 4: Simplify right side
   22,748.44x = 397,935,411.75
5. Step 5: Solve for x
   x = 397,935,411.75/22,748.44
6. Step 6: Final answer
   x = 17,492.87