Finding the Fourth Proportional to 2,723.60, 4,084.17 and 775.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.60 : 4,084.17 = 775.34 : x
2. Step 2: Convert to fraction form
   2,723.60/4,084.17 = 775.34/x
3. Step 3: Cross multiply
   2,723.60x = 4,084.17 × 775.34
4. Step 4: Simplify right side
   2,723.60x = 3,166,599.95
5. Step 5: Solve for x
   x = 3,166,599.95/2,723.60
6. Step 6: Final answer
   x = 1,162.65