Finding the Fourth Proportional to 2,103.24, 2,902.18 and 1,789.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.24 : 2,902.18 = 1,789.80 : x
2. Step 2: Convert to fraction form
   2,103.24/2,902.18 = 1,789.80/x
3. Step 3: Cross multiply
   2,103.24x = 2,902.18 × 1,789.80
4. Step 4: Simplify right side
   2,103.24x = 5,194,321.76
5. Step 5: Solve for x
   x = 5,194,321.76/2,103.24
6. Step 6: Final answer
   x = 2,469.68