Finding the Fourth Proportional to 3,409.93, 5,113.80 and 1,100.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409.93 : 5,113.80 = 1,100.89 : x
2. Step 2: Convert to fraction form
   3,409.93/5,113.80 = 1,100.89/x
3. Step 3: Cross multiply
   3,409.93x = 5,113.80 × 1,100.89
4. Step 4: Simplify right side
   3,409.93x = 5,629,731.28
5. Step 5: Solve for x
   x = 5,629,731.28/3,409.93
6. Step 6: Final answer
   x = 1,650.98