Finding the Fourth Proportional to 5,826.30, 8,040.34 and 3,173.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,826.30 : 8,040.34 = 3,173.72 : x
2. Step 2: Convert to fraction form
   5,826.30/8,040.34 = 3,173.72/x
3. Step 3: Cross multiply
   5,826.30x = 8,040.34 × 3,173.72
4. Step 4: Simplify right side
   5,826.30x = 25,517,787.86
5. Step 5: Solve for x
   x = 25,517,787.86/5,826.30
6. Step 6: Final answer
   x = 4,379.76