Finding the Fourth Proportional to 2,066.68, 3,100.31 and 605.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.68 : 3,100.31 = 605.83 : x
2. Step 2: Convert to fraction form
   2,066.68/3,100.31 = 605.83/x
3. Step 3: Cross multiply
   2,066.68x = 3,100.31 × 605.83
4. Step 4: Simplify right side
   2,066.68x = 1,878,260.81
5. Step 5: Solve for x
   x = 1,878,260.81/2,066.68
6. Step 6: Final answer
   x = 908.83