Finding the Fourth Proportional to 1,788.88, 2,683.83 and 748.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.88 : 2,683.83 = 748.34 : x
2. Step 2: Convert to fraction form
   1,788.88/2,683.83 = 748.34/x
3. Step 3: Cross multiply
   1,788.88x = 2,683.83 × 748.34
4. Step 4: Simplify right side
   1,788.88x = 2,008,426.86
5. Step 5: Solve for x
   x = 2,008,426.86/1,788.88
6. Step 6: Final answer
   x = 1,122.73