Finding the Fourth Proportional to 2,006.91, 3,008.75 and 773.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.91 : 3,008.75 = 773.69 : x
2. Step 2: Convert to fraction form
   2,006.91/3,008.75 = 773.69/x
3. Step 3: Cross multiply
   2,006.91x = 3,008.75 × 773.69
4. Step 4: Simplify right side
   2,006.91x = 2,327,820.88
5. Step 5: Solve for x
   x = 2,327,820.88/2,006.91
6. Step 6: Final answer
   x = 1,159.90