Finding the Fourth Proportional to 2,724.94, 4,089.24 and 993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.94 : 4,089.24 = 993.56 : x
2. Step 2: Convert to fraction form
   2,724.94/4,089.24 = 993.56/x
3. Step 3: Cross multiply
   2,724.94x = 4,089.24 × 993.56
4. Step 4: Simplify right side
   2,724.94x = 4,062,915.52
5. Step 5: Solve for x
   x = 4,062,915.52/2,724.94
6. Step 6: Final answer
   x = 1,491.01