Finding the Fourth Proportional to 8,131.02, 12,200.37 and 5,636.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.02 : 12,200.37 = 5,636.04 : x
2. Step 2: Convert to fraction form
   8,131.02/12,200.37 = 5,636.04/x
3. Step 3: Cross multiply
   8,131.02x = 12,200.37 × 5,636.04
4. Step 4: Simplify right side
   8,131.02x = 68,761,773.33
5. Step 5: Solve for x
   x = 68,761,773.33/8,131.02
6. Step 6: Final answer
   x = 8,456.72