Finding the Fourth Proportional to 2,104.20, 2,904.53 and 1,443.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.20 : 2,904.53 = 1,443.24 : x
2. Step 2: Convert to fraction form
   2,104.20/2,904.53 = 1,443.24/x
3. Step 3: Cross multiply
   2,104.20x = 2,904.53 × 1,443.24
4. Step 4: Simplify right side
   2,104.20x = 4,191,926.66
5. Step 5: Solve for x
   x = 4,191,926.66/2,104.20
6. Step 6: Final answer
   x = 1,992.17