Finding the Fourth Proportional to 6,174.27, 8,520.71 and 3,379.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,174.27 : 8,520.71 = 3,379.77 : x
2. Step 2: Convert to fraction form
   6,174.27/8,520.71 = 3,379.77/x
3. Step 3: Cross multiply
   6,174.27x = 8,520.71 × 3,379.77
4. Step 4: Simplify right side
   6,174.27x = 28,798,023.14
5. Step 5: Solve for x
   x = 28,798,023.14/6,174.27
6. Step 6: Final answer
   x = 4,664.20