Finding the Fourth Proportional to 2,066.48, 3,099.30 and 605.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.48 : 3,099.30 = 605.72 : x
2. Step 2: Convert to fraction form
   2,066.48/3,099.30 = 605.72/x
3. Step 3: Cross multiply
   2,066.48x = 3,099.30 × 605.72
4. Step 4: Simplify right side
   2,066.48x = 1,877,308.00
5. Step 5: Solve for x
   x = 1,877,308.00/2,066.48
6. Step 6: Final answer
   x = 908.46