Finding the Fourth Proportional to 2,008.72, 3,013.54 and 776.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.72 : 3,013.54 = 776.14 : x
2. Step 2: Convert to fraction form
   2,008.72/3,013.54 = 776.14/x
3. Step 3: Cross multiply
   2,008.72x = 3,013.54 × 776.14
4. Step 4: Simplify right side
   2,008.72x = 2,338,928.94
5. Step 5: Solve for x
   x = 2,338,928.94/2,008.72
6. Step 6: Final answer
   x = 1,164.39