Finding the Fourth Proportional to 2,403.84, 3,606.72 and 1,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.84 : 3,606.72 = 1,105.92 : x
2. Step 2: Convert to fraction form
   2,403.84/3,606.72 = 1,105.92/x
3. Step 3: Cross multiply
   2,403.84x = 3,606.72 × 1,105.92
4. Step 4: Simplify right side
   2,403.84x = 3,988,743.78
5. Step 5: Solve for x
   x = 3,988,743.78/2,403.84
6. Step 6: Final answer
   x = 1,659.32