Finding the Fourth Proportional to 2,854.52, 4,281.71 and 774.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.52 : 4,281.71 = 774.69 : x
2. Step 2: Convert to fraction form
   2,854.52/4,281.71 = 774.69/x
3. Step 3: Cross multiply
   2,854.52x = 4,281.71 × 774.69
4. Step 4: Simplify right side
   2,854.52x = 3,316,994.05
5. Step 5: Solve for x
   x = 3,316,994.05/2,854.52
6. Step 6: Final answer
   x = 1,162.02