Finding the Fourth Proportional to 1,788.69, 2,682.12 and 748.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.69 : 2,682.12 = 748.41 : x
2. Step 2: Convert to fraction form
   1,788.69/2,682.12 = 748.41/x
3. Step 3: Cross multiply
   1,788.69x = 2,682.12 × 748.41
4. Step 4: Simplify right side
   1,788.69x = 2,007,325.43
5. Step 5: Solve for x
   x = 2,007,325.43/1,788.69
6. Step 6: Final answer
   x = 1,122.23