Finding the Fourth Proportional to 6,270.72, 8,650.06 and 5,636.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,270.72 : 8,650.06 = 5,636.49 : x
2. Step 2: Convert to fraction form
   6,270.72/8,650.06 = 5,636.49/x
3. Step 3: Cross multiply
   6,270.72x = 8,650.06 × 5,636.49
4. Step 4: Simplify right side
   6,270.72x = 48,755,976.69
5. Step 5: Solve for x
   x = 48,755,976.69/6,270.72
6. Step 6: Final answer
   x = 7,775.18