Finding the Fourth Proportional to 2,066.56, 3,099.86 and 605.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.56 : 3,099.86 = 605.74 : x
2. Step 2: Convert to fraction form
   2,066.56/3,099.86 = 605.74/x
3. Step 3: Cross multiply
   2,066.56x = 3,099.86 × 605.74
4. Step 4: Simplify right side
   2,066.56x = 1,877,709.20
5. Step 5: Solve for x
   x = 1,877,709.20/2,066.56
6. Step 6: Final answer
   x = 908.62