Finding the Fourth Proportional to 6,235.74, 8,606.15 and 3,967.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,235.74 : 8,606.15 = 3,967.29 : x
2. Step 2: Convert to fraction form
   6,235.74/8,606.15 = 3,967.29/x
3. Step 3: Cross multiply
   6,235.74x = 8,606.15 × 3,967.29
4. Step 4: Simplify right side
   6,235.74x = 34,143,092.83
5. Step 5: Solve for x
   x = 34,143,092.83/6,235.74
6. Step 6: Final answer
   x = 5,475.39