Finding the Fourth Proportional to 2,066.58, 3,099.39 and 767.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.58 : 3,099.39 = 767.16 : x
2. Step 2: Convert to fraction form
   2,066.58/3,099.39 = 767.16/x
3. Step 3: Cross multiply
   2,066.58x = 3,099.39 × 767.16
4. Step 4: Simplify right side
   2,066.58x = 2,377,728.03
5. Step 5: Solve for x
   x = 2,377,728.03/2,066.58
6. Step 6: Final answer
   x = 1,150.56