Finding the Fourth Proportional to 2,043.74, 2,818.84 and 1,297.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.74 : 2,818.84 = 1,297.05 : x
2. Step 2: Convert to fraction form
   2,043.74/2,818.84 = 1,297.05/x
3. Step 3: Cross multiply
   2,043.74x = 2,818.84 × 1,297.05
4. Step 4: Simplify right side
   2,043.74x = 3,656,176.42
5. Step 5: Solve for x
   x = 3,656,176.42/2,043.74
6. Step 6: Final answer
   x = 1,788.96