Finding the Fourth Proportional to 33,114.78, 49,672.28 and 8,155.40

Step by Step Solution

1. Step 1: Write the proportion equation
   33,114.78 : 49,672.28 = 8,155.40 : x
2. Step 2: Convert to fraction form
   33,114.78/49,672.28 = 8,155.40/x
3. Step 3: Cross multiply
   33,114.78x = 49,672.28 × 8,155.40
4. Step 4: Simplify right side
   33,114.78x = 405,097,312.31
5. Step 5: Solve for x
   x = 405,097,312.31/33,114.78
6. Step 6: Final answer
   x = 12,233.13