Finding the Fourth Proportional to 12,274.29, 16,932.72 and 8,296.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.29 : 16,932.72 = 8,296.80 : x
2. Step 2: Convert to fraction form
   12,274.29/16,932.72 = 8,296.80/x
3. Step 3: Cross multiply
   12,274.29x = 16,932.72 × 8,296.80
4. Step 4: Simplify right side
   12,274.29x = 140,487,391.30
5. Step 5: Solve for x
   x = 140,487,391.30/12,274.29
6. Step 6: Final answer
   x = 11,445.66