Finding the Fourth Proportional to 2,074.01, 3,111.01 and 774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.01 : 3,111.01 = 774.56 : x
2. Step 2: Convert to fraction form
   2,074.01/3,111.01 = 774.56/x
3. Step 3: Cross multiply
   2,074.01x = 3,111.01 × 774.56
4. Step 4: Simplify right side
   2,074.01x = 2,409,669.75
5. Step 5: Solve for x
   x = 2,409,669.75/2,074.01
6. Step 6: Final answer
   x = 1,161.84