Finding the Fourth Proportional to 3,571.56, 5,356.10 and 1,072.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.56 : 5,356.10 = 1,072.01 : x
2. Step 2: Convert to fraction form
   3,571.56/5,356.10 = 1,072.01/x
3. Step 3: Cross multiply
   3,571.56x = 5,356.10 × 1,072.01
4. Step 4: Simplify right side
   3,571.56x = 5,741,760.62
5. Step 5: Solve for x
   x = 5,741,760.62/3,571.56
6. Step 6: Final answer
   x = 1,607.63