Finding the Fourth Proportional to 2,099.36, 2,896.32 and 1,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.36 : 2,896.32 = 1,214.72 : x
2. Step 2: Convert to fraction form
   2,099.36/2,896.32 = 1,214.72/x
3. Step 3: Cross multiply
   2,099.36x = 2,896.32 × 1,214.72
4. Step 4: Simplify right side
   2,099.36x = 3,518,217.83
5. Step 5: Solve for x
   x = 3,518,217.83/2,099.36
6. Step 6: Final answer
   x = 1,675.85