Finding the Fourth Proportional to 3,085.93, 4,628.71 and 777.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.93 : 4,628.71 = 777.25 : x
2. Step 2: Convert to fraction form
   3,085.93/4,628.71 = 777.25/x
3. Step 3: Cross multiply
   3,085.93x = 4,628.71 × 777.25
4. Step 4: Simplify right side
   3,085.93x = 3,597,664.85
5. Step 5: Solve for x
   x = 3,597,664.85/3,085.93
6. Step 6: Final answer
   x = 1,165.83