Finding the Fourth Proportional to 5,747.85, 8,632.70 and 3,571.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,747.85 : 8,632.70 = 3,571.78 : x
2. Step 2: Convert to fraction form
   5,747.85/8,632.70 = 3,571.78/x
3. Step 3: Cross multiply
   5,747.85x = 8,632.70 × 3,571.78
4. Step 4: Simplify right side
   5,747.85x = 30,834,131.62
5. Step 5: Solve for x
   x = 30,834,131.62/5,747.85
6. Step 6: Final answer
   x = 5,364.47