Finding the Fourth Proportional to 2,663.75, 3,674.89 and 1,767.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.75 : 3,674.89 = 1,767.91 : x
2. Step 2: Convert to fraction form
   2,663.75/3,674.89 = 1,767.91/x
3. Step 3: Cross multiply
   2,663.75x = 3,674.89 × 1,767.91
4. Step 4: Simplify right side
   2,663.75x = 6,496,847.57
5. Step 5: Solve for x
   x = 6,496,847.57/2,663.75
6. Step 6: Final answer
   x = 2,438.99