Finding the Fourth Proportional to 2,066.09, 3,099.83 and 605.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.09 : 3,099.83 = 605.45 : x
2. Step 2: Convert to fraction form
   2,066.09/3,099.83 = 605.45/x
3. Step 3: Cross multiply
   2,066.09x = 3,099.83 × 605.45
4. Step 4: Simplify right side
   2,066.09x = 1,876,796.80
5. Step 5: Solve for x
   x = 1,876,796.80/2,066.09
6. Step 6: Final answer
   x = 908.38