Finding the Fourth Proportional to 1,618.82, 2,428.69 and 797.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618.82 : 2,428.69 = 797.34 : x
2. Step 2: Convert to fraction form
   1,618.82/2,428.69 = 797.34/x
3. Step 3: Cross multiply
   1,618.82x = 2,428.69 × 797.34
4. Step 4: Simplify right side
   1,618.82x = 1,936,491.68
5. Step 5: Solve for x
   x = 1,936,491.68/1,618.82
6. Step 6: Final answer
   x = 1,196.24