Finding the Fourth Proportional to 7,323.17, 10,105.89 and 3,965.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,323.17 : 10,105.89 = 3,965.90 : x
2. Step 2: Convert to fraction form
   7,323.17/10,105.89 = 3,965.90/x
3. Step 3: Cross multiply
   7,323.17x = 10,105.89 × 3,965.90
4. Step 4: Simplify right side
   7,323.17x = 40,078,898.62
5. Step 5: Solve for x
   x = 40,078,898.62/7,323.17
6. Step 6: Final answer
   x = 5,472.89