Finding the Fourth Proportional to 1,789.05, 2,682.69 and 748.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.05 : 2,682.69 = 748.74 : x
2. Step 2: Convert to fraction form
   1,789.05/2,682.69 = 748.74/x
3. Step 3: Cross multiply
   1,789.05x = 2,682.69 × 748.74
4. Step 4: Simplify right side
   1,789.05x = 2,008,637.31
5. Step 5: Solve for x
   x = 2,008,637.31/1,789.05
6. Step 6: Final answer
   x = 1,122.74