Finding the Fourth Proportional to 1,612.29, 2,224.56 and 1,022.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.29 : 2,224.56 = 1,022.61 : x
2. Step 2: Convert to fraction form
   1,612.29/2,224.56 = 1,022.61/x
3. Step 3: Cross multiply
   1,612.29x = 2,224.56 × 1,022.61
4. Step 4: Simplify right side
   1,612.29x = 2,274,857.30
5. Step 5: Solve for x
   x = 2,274,857.30/1,612.29
6. Step 6: Final answer
   x = 1,410.95