Finding the Fourth Proportional to 8,196.50, 12,295.95 and 2,648.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.50 : 12,295.95 = 2,648.00 : x
2. Step 2: Convert to fraction form
   8,196.50/12,295.95 = 2,648.00/x
3. Step 3: Cross multiply
   8,196.50x = 12,295.95 × 2,648.00
4. Step 4: Simplify right side
   8,196.50x = 32,559,614.12
5. Step 5: Solve for x
   x = 32,559,614.12/8,196.50
6. Step 6: Final answer
   x = 3,972.38