Finding the Fourth Proportional to 2,157.55, 3,233.33 and 984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.55 : 3,233.33 = 984.69 : x
2. Step 2: Convert to fraction form
   2,157.55/3,233.33 = 984.69/x
3. Step 3: Cross multiply
   2,157.55x = 3,233.33 × 984.69
4. Step 4: Simplify right side
   2,157.55x = 3,183,811.55
5. Step 5: Solve for x
   x = 3,183,811.55/2,157.55
6. Step 6: Final answer
   x = 1,475.66