Finding the Fourth Proportional to 2,020.50, 2,788.34 and 1,234.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.50 : 2,788.34 = 1,234.98 : x
2. Step 2: Convert to fraction form
   2,020.50/2,788.34 = 1,234.98/x
3. Step 3: Cross multiply
   2,020.50x = 2,788.34 × 1,234.98
4. Step 4: Simplify right side
   2,020.50x = 3,443,537.96
5. Step 5: Solve for x
   x = 3,443,537.96/2,020.50
6. Step 6: Final answer
   x = 1,704.30