Finding the Fourth Proportional to 8,860.86, 12,224.07 and 5,877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,860.86 : 12,224.07 = 5,877.18 : x
2. Step 2: Convert to fraction form
   8,860.86/12,224.07 = 5,877.18/x
3. Step 3: Cross multiply
   8,860.86x = 12,224.07 × 5,877.18
4. Step 4: Simplify right side
   8,860.86x = 71,843,059.72
5. Step 5: Solve for x
   x = 71,843,059.72/8,860.86
6. Step 6: Final answer
   x = 8,107.91