Finding the Fourth Proportional to 8,722.10, 12,036.51 and 4,743.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,722.10 : 12,036.51 = 4,743.24 : x
2. Step 2: Convert to fraction form
   8,722.10/12,036.51 = 4,743.24/x
3. Step 3: Cross multiply
   8,722.10x = 12,036.51 × 4,743.24
4. Step 4: Simplify right side
   8,722.10x = 57,092,055.69
5. Step 5: Solve for x
   x = 57,092,055.69/8,722.10
6. Step 6: Final answer
   x = 6,545.68