Finding the Fourth Proportional to 3,724.72, 5,139.78 and 2,046.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.72 : 5,139.78 = 2,046.13 : x
2. Step 2: Convert to fraction form
   3,724.72/5,139.78 = 2,046.13/x
3. Step 3: Cross multiply
   3,724.72x = 5,139.78 × 2,046.13
4. Step 4: Simplify right side
   3,724.72x = 10,516,658.05
5. Step 5: Solve for x
   x = 10,516,658.05/3,724.72
6. Step 6: Final answer
   x = 2,823.48