Finding the Fourth Proportional to 2,407.94, 3,613.26 and 1,109.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.94 : 3,613.26 = 1,109.51 : x
2. Step 2: Convert to fraction form
   2,407.94/3,613.26 = 1,109.51/x
3. Step 3: Cross multiply
   2,407.94x = 3,613.26 × 1,109.51
4. Step 4: Simplify right side
   2,407.94x = 4,008,930.04
5. Step 5: Solve for x
   x = 4,008,930.04/2,407.94
6. Step 6: Final answer
   x = 1,664.88