Finding the Fourth Proportional to 12,274.27, 16,949.33 and 9,124.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.27 : 16,949.33 = 9,124.99 : x
2. Step 2: Convert to fraction form
   12,274.27/16,949.33 = 9,124.99/x
3. Step 3: Cross multiply
   12,274.27x = 16,949.33 × 9,124.99
4. Step 4: Simplify right side
   12,274.27x = 154,662,466.76
5. Step 5: Solve for x
   x = 154,662,466.76/12,274.27
6. Step 6: Final answer
   x = 12,600.54