Finding the Fourth Proportional to 1,619.10, 2,429.46 and 797.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619.10 : 2,429.46 = 797.22 : x
2. Step 2: Convert to fraction form
   1,619.10/2,429.46 = 797.22/x
3. Step 3: Cross multiply
   1,619.10x = 2,429.46 × 797.22
4. Step 4: Simplify right side
   1,619.10x = 1,936,814.10
5. Step 5: Solve for x
   x = 1,936,814.10/1,619.10
6. Step 6: Final answer
   x = 1,196.23