Finding the Fourth Proportional to 1,788.51, 2,683.16 and 748.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.51 : 2,683.16 = 748.56 : x
2. Step 2: Convert to fraction form
   1,788.51/2,683.16 = 748.56/x
3. Step 3: Cross multiply
   1,788.51x = 2,683.16 × 748.56
4. Step 4: Simplify right side
   1,788.51x = 2,008,502.51
5. Step 5: Solve for x
   x = 2,008,502.51/1,788.51
6. Step 6: Final answer
   x = 1,123.00