Finding the Fourth Proportional to 1,552.28, 2,141.37 and 1,022.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.28 : 2,141.37 = 1,022.09 : x
2. Step 2: Convert to fraction form
   1,552.28/2,141.37 = 1,022.09/x
3. Step 3: Cross multiply
   1,552.28x = 2,141.37 × 1,022.09
4. Step 4: Simplify right side
   1,552.28x = 2,188,662.16
5. Step 5: Solve for x
   x = 2,188,662.16/1,552.28
6. Step 6: Final answer
   x = 1,409.97