Finding the Fourth Proportional to 8,840.99, 12,200.22 and 4,861.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,840.99 : 12,200.22 = 4,861.86 : x
2. Step 2: Convert to fraction form
   8,840.99/12,200.22 = 4,861.86/x
3. Step 3: Cross multiply
   8,840.99x = 12,200.22 × 4,861.86
4. Step 4: Simplify right side
   8,840.99x = 59,315,761.61
5. Step 5: Solve for x
   x = 59,315,761.61/8,840.99
6. Step 6: Final answer
   x = 6,709.18