Finding the Fourth Proportional to 2,006.15, 3,008.91 and 773.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.15 : 3,008.91 = 773.38 : x
2. Step 2: Convert to fraction form
   2,006.15/3,008.91 = 773.38/x
3. Step 3: Cross multiply
   2,006.15x = 3,008.91 × 773.38
4. Step 4: Simplify right side
   2,006.15x = 2,327,024.78
5. Step 5: Solve for x
   x = 2,327,024.78/2,006.15
6. Step 6: Final answer
   x = 1,159.95