Finding the Fourth Proportional to 2,098.96, 2,896.35 and 1,215.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.96 : 2,896.35 = 1,215.04 : x
2. Step 2: Convert to fraction form
   2,098.96/2,896.35 = 1,215.04/x
3. Step 3: Cross multiply
   2,098.96x = 2,896.35 × 1,215.04
4. Step 4: Simplify right side
   2,098.96x = 3,519,181.10
5. Step 5: Solve for x
   x = 3,519,181.10/2,098.96
6. Step 6: Final answer
   x = 1,676.63