Finding the Fourth Proportional to 3,896.30, 5,816.72 and 3,759.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,896.30 : 5,816.72 = 3,759.62 : x
2. Step 2: Convert to fraction form
   3,896.30/5,816.72 = 3,759.62/x
3. Step 3: Cross multiply
   3,896.30x = 5,816.72 × 3,759.62
4. Step 4: Simplify right side
   3,896.30x = 21,868,656.85
5. Step 5: Solve for x
   x = 21,868,656.85/3,896.30
6. Step 6: Final answer
   x = 5,612.67