Finding the Fourth Proportional to 5,721.43, 8,596.52 and 3,642.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,721.43 : 8,596.52 = 3,642.36 : x
2. Step 2: Convert to fraction form
   5,721.43/8,596.52 = 3,642.36/x
3. Step 3: Cross multiply
   5,721.43x = 8,596.52 × 3,642.36
4. Step 4: Simplify right side
   5,721.43x = 31,311,620.59
5. Step 5: Solve for x
   x = 31,311,620.59/5,721.43
6. Step 6: Final answer
   x = 5,472.69