Finding the Fourth Proportional to 3,571.52, 5,357.91 and 1,106.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.52 : 5,357.91 = 1,106.16 : x
2. Step 2: Convert to fraction form
   3,571.52/5,357.91 = 1,106.16/x
3. Step 3: Cross multiply
   3,571.52x = 5,357.91 × 1,106.16
4. Step 4: Simplify right side
   3,571.52x = 5,926,705.73
5. Step 5: Solve for x
   x = 5,926,705.73/3,571.52
6. Step 6: Final answer
   x = 1,659.44