Finding the Fourth Proportional to 1,766.16, 2,648.34 and 669.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.16 : 2,648.34 = 669.69 : x
2. Step 2: Convert to fraction form
   1,766.16/2,648.34 = 669.69/x
3. Step 3: Cross multiply
   1,766.16x = 2,648.34 × 669.69
4. Step 4: Simplify right side
   1,766.16x = 1,773,566.81
5. Step 5: Solve for x
   x = 1,773,566.81/1,766.16
6. Step 6: Final answer
   x = 1,004.19