Finding the Fourth Proportional to 2,591.62, 3,887.41 and 742.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.62 : 3,887.41 = 742.73 : x
2. Step 2: Convert to fraction form
   2,591.62/3,887.41 = 742.73/x
3. Step 3: Cross multiply
   2,591.62x = 3,887.41 × 742.73
4. Step 4: Simplify right side
   2,591.62x = 2,887,297.89
5. Step 5: Solve for x
   x = 2,887,297.89/2,591.62
6. Step 6: Final answer
   x = 1,114.09