Finding the Fourth Proportional to 8,147.59, 12,200.69 and 6,827.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.59 : 12,200.69 = 6,827.86 : x
2. Step 2: Convert to fraction form
   8,147.59/12,200.69 = 6,827.86/x
3. Step 3: Cross multiply
   8,147.59x = 12,200.69 × 6,827.86
4. Step 4: Simplify right side
   8,147.59x = 83,304,635.54
5. Step 5: Solve for x
   x = 83,304,635.54/8,147.59
6. Step 6: Final answer
   x = 10,224.45