Finding the Fourth Proportional to 8,846.86, 12,208.50 and 4,867.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846.86 : 12,208.50 = 4,867.90 : x
2. Step 2: Convert to fraction form
   8,846.86/12,208.50 = 4,867.90/x
3. Step 3: Cross multiply
   8,846.86x = 12,208.50 × 4,867.90
4. Step 4: Simplify right side
   8,846.86x = 59,429,757.15
5. Step 5: Solve for x
   x = 59,429,757.15/8,846.86
6. Step 6: Final answer
   x = 6,717.61