Finding the Fourth Proportional to 3,323.75, 4,986.76 and 2,089.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323.75 : 4,986.76 = 2,089.72 : x
2. Step 2: Convert to fraction form
   3,323.75/4,986.76 = 2,089.72/x
3. Step 3: Cross multiply
   3,323.75x = 4,986.76 × 2,089.72
4. Step 4: Simplify right side
   3,323.75x = 10,420,914.42
5. Step 5: Solve for x
   x = 10,420,914.42/3,323.75
6. Step 6: Final answer
   x = 3,135.29