Finding the Fourth Proportional to 7,322.86, 10,105.49 and 3,965.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.86 : 10,105.49 = 3,965.59 : x
2. Step 2: Convert to fraction form
   7,322.86/10,105.49 = 3,965.59/x
3. Step 3: Cross multiply
   7,322.86x = 10,105.49 × 3,965.59
4. Step 4: Simplify right side
   7,322.86x = 40,074,255.35
5. Step 5: Solve for x
   x = 40,074,255.35/7,322.86
6. Step 6: Final answer
   x = 5,472.49