Finding the Fourth Proportional to 1,766.49, 2,650.17 and 1,247.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.49 : 2,650.17 = 1,247.51 : x
2. Step 2: Convert to fraction form
   1,766.49/2,650.17 = 1,247.51/x
3. Step 3: Cross multiply
   1,766.49x = 2,650.17 × 1,247.51
4. Step 4: Simplify right side
   1,766.49x = 3,306,100.33
5. Step 5: Solve for x
   x = 3,306,100.33/1,766.49
6. Step 6: Final answer
   x = 1,871.56