Finding the Fourth Proportional to 12,196.87, 16,833.53 and 8,854.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.87 : 16,833.53 = 8,854.86 : x
2. Step 2: Convert to fraction form
   12,196.87/16,833.53 = 8,854.86/x
3. Step 3: Cross multiply
   12,196.87x = 16,833.53 × 8,854.86
4. Step 4: Simplify right side
   12,196.87x = 149,058,551.46
5. Step 5: Solve for x
   x = 149,058,551.46/12,196.87
6. Step 6: Final answer
   x = 12,221.05