Finding the Fourth Proportional to 1,612.02, 2,223.24 and 1,022.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.02 : 2,223.24 = 1,022.34 : x
2. Step 2: Convert to fraction form
   1,612.02/2,223.24 = 1,022.34/x
3. Step 3: Cross multiply
   1,612.02x = 2,223.24 × 1,022.34
4. Step 4: Simplify right side
   1,612.02x = 2,272,907.18
5. Step 5: Solve for x
   x = 2,272,907.18/1,612.02
6. Step 6: Final answer
   x = 1,409.97