Finding the Fourth Proportional to 6,272.72, 8,656.16 and 3,439.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,272.72 : 8,656.16 = 3,439.94 : x
2. Step 2: Convert to fraction form
   6,272.72/8,656.16 = 3,439.94/x
3. Step 3: Cross multiply
   6,272.72x = 8,656.16 × 3,439.94
4. Step 4: Simplify right side
   6,272.72x = 29,776,675.47
5. Step 5: Solve for x
   x = 29,776,675.47/6,272.72
6. Step 6: Final answer
   x = 4,747.02