Finding the Fourth Proportional to 2,008.67, 3,013.10 and 913.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.67 : 3,013.10 = 913.15 : x
2. Step 2: Convert to fraction form
   2,008.67/3,013.10 = 913.15/x
3. Step 3: Cross multiply
   2,008.67x = 3,013.10 × 913.15
4. Step 4: Simplify right side
   2,008.67x = 2,751,412.27
5. Step 5: Solve for x
   x = 2,751,412.27/2,008.67
6. Step 6: Final answer
   x = 1,369.77