Finding the Fourth Proportional to 2,471.52, 3,721.91 and 2,150.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.52 : 3,721.91 = 2,150.76 : x
2. Step 2: Convert to fraction form
   2,471.52/3,721.91 = 2,150.76/x
3. Step 3: Cross multiply
   2,471.52x = 3,721.91 × 2,150.76
4. Step 4: Simplify right side
   2,471.52x = 8,004,924.40
5. Step 5: Solve for x
   x = 8,004,924.40/2,471.52
6. Step 6: Final answer
   x = 3,238.87