Finding the Fourth Proportional to 5,443.37, 8,158.40 and 3,874.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.37 : 8,158.40 = 3,874.88 : x
2. Step 2: Convert to fraction form
   5,443.37/8,158.40 = 3,874.88/x
3. Step 3: Cross multiply
   5,443.37x = 8,158.40 × 3,874.88
4. Step 4: Simplify right side
   5,443.37x = 31,612,760.83
5. Step 5: Solve for x
   x = 31,612,760.83/5,443.37
6. Step 6: Final answer
   x = 5,807.58