Finding the Fourth Proportional to 3,196.18, 4,766.08 and 2,807.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.18 : 4,766.08 = 2,807.80 : x
2. Step 2: Convert to fraction form
   3,196.18/4,766.08 = 2,807.80/x
3. Step 3: Cross multiply
   3,196.18x = 4,766.08 × 2,807.80
4. Step 4: Simplify right side
   3,196.18x = 13,382,199.42
5. Step 5: Solve for x
   x = 13,382,199.42/3,196.18
6. Step 6: Final answer
   x = 4,186.94