Finding the Fourth Proportional to 2,663.94, 3,673.68 and 1,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.94 : 3,673.68 = 1,766.72 : x
2. Step 2: Convert to fraction form
   2,663.94/3,673.68 = 1,766.72/x
3. Step 3: Cross multiply
   2,663.94x = 3,673.68 × 1,766.72
4. Step 4: Simplify right side
   2,663.94x = 6,490,363.93
5. Step 5: Solve for x
   x = 6,490,363.93/2,663.94
6. Step 6: Final answer
   x = 2,436.38