Finding the Fourth Proportional to 8,995.86, 12,411.77 and 5,218.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,995.86 : 12,411.77 = 5,218.27 : x
2. Step 2: Convert to fraction form
   8,995.86/12,411.77 = 5,218.27/x
3. Step 3: Cross multiply
   8,995.86x = 12,411.77 × 5,218.27
4. Step 4: Simplify right side
   8,995.86x = 64,767,909.92
5. Step 5: Solve for x
   x = 64,767,909.92/8,995.86
6. Step 6: Final answer
   x = 7,199.75