Finding the Fourth Proportional to 2,098.48, 3,141.24 and 1,405.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.48 : 3,141.24 = 1,405.12 : x
2. Step 2: Convert to fraction form
   2,098.48/3,141.24 = 1,405.12/x
3. Step 3: Cross multiply
   2,098.48x = 3,141.24 × 1,405.12
4. Step 4: Simplify right side
   2,098.48x = 4,413,819.15
5. Step 5: Solve for x
   x = 4,413,819.15/2,098.48
6. Step 6: Final answer
   x = 2,103.34