Finding the Fourth Proportional to 1,766.52, 2,648.74 and 670.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.52 : 2,648.74 = 670.18 : x
2. Step 2: Convert to fraction form
   1,766.52/2,648.74 = 670.18/x
3. Step 3: Cross multiply
   1,766.52x = 2,648.74 × 670.18
4. Step 4: Simplify right side
   1,766.52x = 1,775,132.57
5. Step 5: Solve for x
   x = 1,775,132.57/1,766.52
6. Step 6: Final answer
   x = 1,004.88