Finding the Fourth Proportional to 2,105, 2,904.92 and 1,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105 : 2,904.92 = 1,173.52 : x
2. Step 2: Convert to fraction form
   2,105/2,904.92 = 1,173.52/x
3. Step 3: Cross multiply
   2,105x = 2,904.92 × 1,173.52
4. Step 4: Simplify right side
   2,105x = 3,408,981.72
5. Step 5: Solve for x
   x = 3,408,981.72/2,105
6. Step 6: Final answer
   x = 1,619.47