Finding the Fourth Proportional to 8,290.24, 12,435.40 and 3,676.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290.24 : 12,435.40 = 3,676.48 : x
2. Step 2: Convert to fraction form
   8,290.24/12,435.40 = 3,676.48/x
3. Step 3: Cross multiply
   8,290.24x = 12,435.40 × 3,676.48
4. Step 4: Simplify right side
   8,290.24x = 45,718,499.39
5. Step 5: Solve for x
   x = 45,718,499.39/8,290.24
6. Step 6: Final answer
   x = 5,514.74