Finding the Fourth Proportional to 6,071.72, 9,113.82 and 3,149.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,071.72 : 9,113.82 = 3,149.24 : x
2. Step 2: Convert to fraction form
   6,071.72/9,113.82 = 3,149.24/x
3. Step 3: Cross multiply
   6,071.72x = 9,113.82 × 3,149.24
4. Step 4: Simplify right side
   6,071.72x = 28,701,606.50
5. Step 5: Solve for x
   x = 28,701,606.50/6,071.72
6. Step 6: Final answer
   x = 4,727.10