Finding the Fourth Proportional to 7,322.97, 10,105.71 and 3,965.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.97 : 10,105.71 = 3,965.79 : x
2. Step 2: Convert to fraction form
   7,322.97/10,105.71 = 3,965.79/x
3. Step 3: Cross multiply
   7,322.97x = 10,105.71 × 3,965.79
4. Step 4: Simplify right side
   7,322.97x = 40,077,123.66
5. Step 5: Solve for x
   x = 40,077,123.66/7,322.97
6. Step 6: Final answer
   x = 5,472.80