Finding the Fourth Proportional to 1,506.22, 2,078.71 and 868.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506.22 : 2,078.71 = 868.36 : x
2. Step 2: Convert to fraction form
   1,506.22/2,078.71 = 868.36/x
3. Step 3: Cross multiply
   1,506.22x = 2,078.71 × 868.36
4. Step 4: Simplify right side
   1,506.22x = 1,805,068.62
5. Step 5: Solve for x
   x = 1,805,068.62/1,506.22
6. Step 6: Final answer
   x = 1,198.41