Finding the Fourth Proportional to 2,481.30, 3,725.82 and 2,138.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.30 : 3,725.82 = 2,138.49 : x
2. Step 2: Convert to fraction form
   2,481.30/3,725.82 = 2,138.49/x
3. Step 3: Cross multiply
   2,481.30x = 3,725.82 × 2,138.49
4. Step 4: Simplify right side
   2,481.30x = 7,967,628.81
5. Step 5: Solve for x
   x = 7,967,628.81/2,481.30
6. Step 6: Final answer
   x = 3,211.07