Finding the Fourth Proportional to 3,571.62, 5,358.24 and 1,106.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.62 : 5,358.24 = 1,106.52 : x
2. Step 2: Convert to fraction form
   3,571.62/5,358.24 = 1,106.52/x
3. Step 3: Cross multiply
   3,571.62x = 5,358.24 × 1,106.52
4. Step 4: Simplify right side
   3,571.62x = 5,928,999.72
5. Step 5: Solve for x
   x = 5,928,999.72/3,571.62
6. Step 6: Final answer
   x = 1,660.03