Finding the Fourth Proportional to 12,552.78, 18,824.37 and 3,785.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,552.78 : 18,824.37 = 3,785.10 : x
2. Step 2: Convert to fraction form
   12,552.78/18,824.37 = 3,785.10/x
3. Step 3: Cross multiply
   12,552.78x = 18,824.37 × 3,785.10
4. Step 4: Simplify right side
   12,552.78x = 71,252,122.89
5. Step 5: Solve for x
   x = 71,252,122.89/12,552.78
6. Step 6: Final answer
   x = 5,676.20