Finding the Fourth Proportional to 8,198.00, 12,298.20 and 2,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,198.00 : 12,298.20 = 2,649.50 : x
2. Step 2: Convert to fraction form
   8,198.00/12,298.20 = 2,649.50/x
3. Step 3: Cross multiply
   8,198.00x = 12,298.20 × 2,649.50
4. Step 4: Simplify right side
   8,198.00x = 32,584,019.41
5. Step 5: Solve for x
   x = 32,584,019.41/8,198.00
6. Step 6: Final answer
   x = 3,974.63