Finding the Fourth Proportional to 2,020.88, 2,788.16 and 1,234.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.88 : 2,788.16 = 1,234.38 : x
2. Step 2: Convert to fraction form
   2,020.88/2,788.16 = 1,234.38/x
3. Step 3: Cross multiply
   2,020.88x = 2,788.16 × 1,234.38
4. Step 4: Simplify right side
   2,020.88x = 3,441,648.94
5. Step 5: Solve for x
   x = 3,441,648.94/2,020.88
6. Step 6: Final answer
   x = 1,703.04