Finding the Fourth Proportional to 5,201.72, 7,178.37 and 2,843.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,201.72 : 7,178.37 = 2,843.86 : x
2. Step 2: Convert to fraction form
   5,201.72/7,178.37 = 2,843.86/x
3. Step 3: Cross multiply
   5,201.72x = 7,178.37 × 2,843.86
4. Step 4: Simplify right side
   5,201.72x = 20,414,280.15
5. Step 5: Solve for x
   x = 20,414,280.15/5,201.72
6. Step 6: Final answer
   x = 3,924.53