Finding the Fourth Proportional to 3,728.03, 5,143.91 and 2,134.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.03 : 5,143.91 = 2,134.76 : x
2. Step 2: Convert to fraction form
   3,728.03/5,143.91 = 2,134.76/x
3. Step 3: Cross multiply
   3,728.03x = 5,143.91 × 2,134.76
4. Step 4: Simplify right side
   3,728.03x = 10,980,976.92
5. Step 5: Solve for x
   x = 10,980,976.92/3,728.03
6. Step 6: Final answer
   x = 2,945.52