Finding the Fourth Proportional to 3,767.79, 5,199.59 and 2,066.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.79 : 5,199.59 = 2,066.29 : x
2. Step 2: Convert to fraction form
   3,767.79/5,199.59 = 2,066.29/x
3. Step 3: Cross multiply
   3,767.79x = 5,199.59 × 2,066.29
4. Step 4: Simplify right side
   3,767.79x = 10,743,854.82
5. Step 5: Solve for x
   x = 10,743,854.82/3,767.79
6. Step 6: Final answer
   x = 2,851.50