Finding the Fourth Proportional to 10,196.46, 15,292.97 and 2,799.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.46 : 15,292.97 = 2,799.20 : x
2. Step 2: Convert to fraction form
   10,196.46/15,292.97 = 2,799.20/x
3. Step 3: Cross multiply
   10,196.46x = 15,292.97 × 2,799.20
4. Step 4: Simplify right side
   10,196.46x = 42,808,105.86
5. Step 5: Solve for x
   x = 42,808,105.86/10,196.46
6. Step 6: Final answer
   x = 4,198.33