Finding the Fourth Proportional to 2,066.64, 3,100.43 and 605.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.64 : 3,100.43 = 605.73 : x
2. Step 2: Convert to fraction form
   2,066.64/3,100.43 = 605.73/x
3. Step 3: Cross multiply
   2,066.64x = 3,100.43 × 605.73
4. Step 4: Simplify right side
   2,066.64x = 1,878,023.46
5. Step 5: Solve for x
   x = 1,878,023.46/2,066.64
6. Step 6: Final answer
   x = 908.73