Finding the Fourth Proportional to 7,131.11, 10,695.98 and 2,199.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.11 : 10,695.98 = 2,199.42 : x
2. Step 2: Convert to fraction form
   7,131.11/10,695.98 = 2,199.42/x
3. Step 3: Cross multiply
   7,131.11x = 10,695.98 × 2,199.42
4. Step 4: Simplify right side
   7,131.11x = 23,524,957.83
5. Step 5: Solve for x
   x = 23,524,957.83/7,131.11
6. Step 6: Final answer
   x = 3,298.92