Finding the Fourth Proportional to 12,233.79, 16,876.83 and 8,256.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,233.79 : 16,876.83 = 8,256.18 : x
2. Step 2: Convert to fraction form
   12,233.79/16,876.83 = 8,256.18/x
3. Step 3: Cross multiply
   12,233.79x = 16,876.83 × 8,256.18
4. Step 4: Simplify right side
   12,233.79x = 139,338,146.31
5. Step 5: Solve for x
   x = 139,338,146.31/12,233.79
6. Step 6: Final answer
   x = 11,389.61