Finding the Fourth Proportional to 2,651.83, 3,974.31 and 1,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.83 : 3,974.31 = 1,090.07 : x
2. Step 2: Convert to fraction form
   2,651.83/3,974.31 = 1,090.07/x
3. Step 3: Cross multiply
   2,651.83x = 3,974.31 × 1,090.07
4. Step 4: Simplify right side
   2,651.83x = 4,332,276.10
5. Step 5: Solve for x
   x = 4,332,276.10/2,651.83
6. Step 6: Final answer
   x = 1,633.69