Finding the Fourth Proportional to 2,321.60, 3,480.06 and 1,022.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.60 : 3,480.06 = 1,022.84 : x
2. Step 2: Convert to fraction form
   2,321.60/3,480.06 = 1,022.84/x
3. Step 3: Cross multiply
   2,321.60x = 3,480.06 × 1,022.84
4. Step 4: Simplify right side
   2,321.60x = 3,559,544.57
5. Step 5: Solve for x
   x = 3,559,544.57/2,321.60
6. Step 6: Final answer
   x = 1,533.23