Finding the Fourth Proportional to 7,322.74, 10,105.41 and 3,965.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.74 : 10,105.41 = 3,965.55 : x
2. Step 2: Convert to fraction form
   7,322.74/10,105.41 = 3,965.55/x
3. Step 3: Cross multiply
   7,322.74x = 10,105.41 × 3,965.55
4. Step 4: Simplify right side
   7,322.74x = 40,073,523.98
5. Step 5: Solve for x
   x = 40,073,523.98/7,322.74
6. Step 6: Final answer
   x = 5,472.48