Finding the Fourth Proportional to 2,940.09, 4,409.38 and 1,090.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.09 : 4,409.38 = 1,090.18 : x
2. Step 2: Convert to fraction form
   2,940.09/4,409.38 = 1,090.18/x
3. Step 3: Cross multiply
   2,940.09x = 4,409.38 × 1,090.18
4. Step 4: Simplify right side
   2,940.09x = 4,807,017.89
5. Step 5: Solve for x
   x = 4,807,017.89/2,940.09
6. Step 6: Final answer
   x = 1,634.99