Finding the Fourth Proportional to 8,799.67, 13,196.18 and 2,875.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,799.67 : 13,196.18 = 2,875.20 : x
2. Step 2: Convert to fraction form
   8,799.67/13,196.18 = 2,875.20/x
3. Step 3: Cross multiply
   8,799.67x = 13,196.18 × 2,875.20
4. Step 4: Simplify right side
   8,799.67x = 37,941,614.44
5. Step 5: Solve for x
   x = 37,941,614.44/8,799.67
6. Step 6: Final answer
   x = 4,311.71