Finding the Fourth Proportional to 1,498.16, 2,066.82 and 868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.16 : 2,066.82 = 868.56 : x
2. Step 2: Convert to fraction form
   1,498.16/2,066.82 = 868.56/x
3. Step 3: Cross multiply
   1,498.16x = 2,066.82 × 868.56
4. Step 4: Simplify right side
   1,498.16x = 1,795,146.17
5. Step 5: Solve for x
   x = 1,795,146.17/1,498.16
6. Step 6: Final answer
   x = 1,198.23