Finding the Fourth Proportional to 3,671.27, 5,507.04 and 1,074.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.27 : 5,507.04 = 1,074.20 : x
2. Step 2: Convert to fraction form
   3,671.27/5,507.04 = 1,074.20/x
3. Step 3: Cross multiply
   3,671.27x = 5,507.04 × 1,074.20
4. Step 4: Simplify right side
   3,671.27x = 5,915,662.37
5. Step 5: Solve for x
   x = 5,915,662.37/3,671.27
6. Step 6: Final answer
   x = 1,611.34