Finding the Fourth Proportional to 8,298.48, 12,443.40 and 2,454.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,298.48 : 12,443.40 = 2,454.30 : x
2. Step 2: Convert to fraction form
   8,298.48/12,443.40 = 2,454.30/x
3. Step 3: Cross multiply
   8,298.48x = 12,443.40 × 2,454.30
4. Step 4: Simplify right side
   8,298.48x = 30,539,836.62
5. Step 5: Solve for x
   x = 30,539,836.62/8,298.48
6. Step 6: Final answer
   x = 3,680.17