Finding the Fourth Proportional to 2,740.48, 4,111.71 and 1,097.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.48 : 4,111.71 = 1,097.15 : x
2. Step 2: Convert to fraction form
   2,740.48/4,111.71 = 1,097.15/x
3. Step 3: Cross multiply
   2,740.48x = 4,111.71 × 1,097.15
4. Step 4: Simplify right side
   2,740.48x = 4,511,144.13
5. Step 5: Solve for x
   x = 4,511,144.13/2,740.48
6. Step 6: Final answer
   x = 1,646.11