Finding the Fourth Proportional to 3,409.22, 5,113.23 and 1,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409.22 : 5,113.23 = 1,100.72 : x
2. Step 2: Convert to fraction form
   3,409.22/5,113.23 = 1,100.72/x
3. Step 3: Cross multiply
   3,409.22x = 5,113.23 × 1,100.72
4. Step 4: Simplify right side
   3,409.22x = 5,628,208.96
5. Step 5: Solve for x
   x = 5,628,208.96/3,409.22
6. Step 6: Final answer
   x = 1,650.88