Finding the Fourth Proportional to 2,271.32, 3,404.68 and 1,099.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.32 : 3,404.68 = 1,099.60 : x
2. Step 2: Convert to fraction form
   2,271.32/3,404.68 = 1,099.60/x
3. Step 3: Cross multiply
   2,271.32x = 3,404.68 × 1,099.60
4. Step 4: Simplify right side
   2,271.32x = 3,743,786.13
5. Step 5: Solve for x
   x = 3,743,786.13/2,271.32
6. Step 6: Final answer
   x = 1,648.29