Finding the Fourth Proportional to 1,738.27, 2,606.37 and 763.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.27 : 2,606.37 = 763.30 : x
2. Step 2: Convert to fraction form
   1,738.27/2,606.37 = 763.30/x
3. Step 3: Cross multiply
   1,738.27x = 2,606.37 × 763.30
4. Step 4: Simplify right side
   1,738.27x = 1,989,442.22
5. Step 5: Solve for x
   x = 1,989,442.22/1,738.27
6. Step 6: Final answer
   x = 1,144.50