Finding the Fourth Proportional to 2,109.06, 3,146.31 and 2,049.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.06 : 3,146.31 = 2,049.48 : x
2. Step 2: Convert to fraction form
   2,109.06/3,146.31 = 2,049.48/x
3. Step 3: Cross multiply
   2,109.06x = 3,146.31 × 2,049.48
4. Step 4: Simplify right side
   2,109.06x = 6,448,299.42
5. Step 5: Solve for x
   x = 6,448,299.42/2,109.06
6. Step 6: Final answer
   x = 3,057.43