Finding the Fourth Proportional to 11,152.78, 16,725.27 and 3,253.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,152.78 : 16,725.27 = 3,253.12 : x
2. Step 2: Convert to fraction form
   11,152.78/16,725.27 = 3,253.12/x
3. Step 3: Cross multiply
   11,152.78x = 16,725.27 × 3,253.12
4. Step 4: Simplify right side
   11,152.78x = 54,409,310.34
5. Step 5: Solve for x
   x = 54,409,310.34/11,152.78
6. Step 6: Final answer
   x = 4,878.54