Finding the Fourth Proportional to 22,746.68, 31,392.72 and 12,676.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,746.68 : 31,392.72 = 12,676.76 : x
2. Step 2: Convert to fraction form
   22,746.68/31,392.72 = 12,676.76/x
3. Step 3: Cross multiply
   22,746.68x = 31,392.72 × 12,676.76
4. Step 4: Simplify right side
   22,746.68x = 397,957,977.19
5. Step 5: Solve for x
   x = 397,957,977.19/22,746.68
6. Step 6: Final answer
   x = 17,495.21