Finding the Fourth Proportional to 1,622.17, 2,236.82 and 1,097.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.17 : 2,236.82 = 1,097.29 : x
2. Step 2: Convert to fraction form
   1,622.17/2,236.82 = 1,097.29/x
3. Step 3: Cross multiply
   1,622.17x = 2,236.82 × 1,097.29
4. Step 4: Simplify right side
   1,622.17x = 2,454,434.73
5. Step 5: Solve for x
   x = 2,454,434.73/1,622.17
6. Step 6: Final answer
   x = 1,513.06