Finding the Fourth Proportional to 3,404.80, 5,106.88 and 1,095.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.80 : 5,106.88 = 1,095.68 : x
2. Step 2: Convert to fraction form
   3,404.80/5,106.88 = 1,095.68/x
3. Step 3: Cross multiply
   3,404.80x = 5,106.88 × 1,095.68
4. Step 4: Simplify right side
   3,404.80x = 5,595,506.28
5. Step 5: Solve for x
   x = 5,595,506.28/3,404.80
6. Step 6: Final answer
   x = 1,643.42