Finding the Fourth Proportional to 3,700.56, 5,529.18 and 3,571.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.56 : 5,529.18 = 3,571.40 : x
2. Step 2: Convert to fraction form
   3,700.56/5,529.18 = 3,571.40/x
3. Step 3: Cross multiply
   3,700.56x = 5,529.18 × 3,571.40
4. Step 4: Simplify right side
   3,700.56x = 19,746,913.45
5. Step 5: Solve for x
   x = 19,746,913.45/3,700.56
6. Step 6: Final answer
   x = 5,336.20