Finding the Fourth Proportional to 1,099.88, 1,642.24 and 894.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.88 : 1,642.24 = 894.83 : x
2. Step 2: Convert to fraction form
   1,099.88/1,642.24 = 894.83/x
3. Step 3: Cross multiply
   1,099.88x = 1,642.24 × 894.83
4. Step 4: Simplify right side
   1,099.88x = 1,469,521.15
5. Step 5: Solve for x
   x = 1,469,521.15/1,099.88
6. Step 6: Final answer
   x = 1,336.08