Finding the Fourth Proportional to 3,410.16, 5,115.72 and 1,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.16 : 5,115.72 = 1,100.88 : x
2. Step 2: Convert to fraction form
   3,410.16/5,115.72 = 1,100.88/x
3. Step 3: Cross multiply
   3,410.16x = 5,115.72 × 1,100.88
4. Step 4: Simplify right side
   3,410.16x = 5,631,793.83
5. Step 5: Solve for x
   x = 5,631,793.83/3,410.16
6. Step 6: Final answer
   x = 1,651.47