Finding the Fourth Proportional to 2,723.63, 4,085.59 and 775.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.63 : 4,085.59 = 775.98 : x
2. Step 2: Convert to fraction form
   2,723.63/4,085.59 = 775.98/x
3. Step 3: Cross multiply
   2,723.63x = 4,085.59 × 775.98
4. Step 4: Simplify right side
   2,723.63x = 3,170,335.64
5. Step 5: Solve for x
   x = 3,170,335.64/2,723.63
6. Step 6: Final answer
   x = 1,164.01