Finding the Fourth Proportional to 2,066.18, 3,099.56 and 605.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.18 : 3,099.56 = 605.13 : x
2. Step 2: Convert to fraction form
   2,066.18/3,099.56 = 605.13/x
3. Step 3: Cross multiply
   2,066.18x = 3,099.56 × 605.13
4. Step 4: Simplify right side
   2,066.18x = 1,875,633.72
5. Step 5: Solve for x
   x = 1,875,633.72/2,066.18
6. Step 6: Final answer
   x = 907.78