Finding the Fourth Proportional to 8,308.54, 12,462.86 and 2,465.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.54 : 12,462.86 = 2,465.20 : x
2. Step 2: Convert to fraction form
   8,308.54/12,462.86 = 2,465.20/x
3. Step 3: Cross multiply
   8,308.54x = 12,462.86 × 2,465.20
4. Step 4: Simplify right side
   8,308.54x = 30,723,442.47
5. Step 5: Solve for x
   x = 30,723,442.47/8,308.54
6. Step 6: Final answer
   x = 3,697.81