Finding the Fourth Proportional to 3,767.40, 5,196.42 and 2,650.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.40 : 5,196.42 = 2,650.68 : x
2. Step 2: Convert to fraction form
   3,767.40/5,196.42 = 2,650.68/x
3. Step 3: Cross multiply
   3,767.40x = 5,196.42 × 2,650.68
4. Step 4: Simplify right side
   3,767.40x = 13,774,046.57
5. Step 5: Solve for x
   x = 13,774,046.57/3,767.40
6. Step 6: Final answer
   x = 3,656.11