Finding the Fourth Proportional to 6,143.78, 8,471.71 and 4,150.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,143.78 : 8,471.71 = 4,150.87 : x
2. Step 2: Convert to fraction form
   6,143.78/8,471.71 = 4,150.87/x
3. Step 3: Cross multiply
   6,143.78x = 8,471.71 × 4,150.87
4. Step 4: Simplify right side
   6,143.78x = 35,164,966.89
5. Step 5: Solve for x
   x = 35,164,966.89/6,143.78
6. Step 6: Final answer
   x = 5,723.67