Finding the Fourth Proportional to 2,321.42, 3,483.12 and 1,022

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.42 : 3,483.12 = 1,022 : x
2. Step 2: Convert to fraction form
   2,321.42/3,483.12 = 1,022/x
3. Step 3: Cross multiply
   2,321.42x = 3,483.12 × 1,022
4. Step 4: Simplify right side
   2,321.42x = 3,559,748.64
5. Step 5: Solve for x
   x = 3,559,748.64/2,321.42
6. Step 6: Final answer
   x = 1,533.44