Finding the Fourth Proportional to 7,323.02, 10,105.78 and 3,965.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,323.02 : 10,105.78 = 3,965.87 : x
2. Step 2: Convert to fraction form
   7,323.02/10,105.78 = 3,965.87/x
3. Step 3: Cross multiply
   7,323.02x = 10,105.78 × 3,965.87
4. Step 4: Simplify right side
   7,323.02x = 40,078,209.73
5. Step 5: Solve for x
   x = 40,078,209.73/7,323.02
6. Step 6: Final answer
   x = 5,472.91