Finding the Fourth Proportional to 12,298.89, 16,979.49 and 8,114.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.89 : 16,979.49 = 8,114.43 : x
2. Step 2: Convert to fraction form
   12,298.89/16,979.49 = 8,114.43/x
3. Step 3: Cross multiply
   12,298.89x = 16,979.49 × 8,114.43
4. Step 4: Simplify right side
   12,298.89x = 137,778,883.04
5. Step 5: Solve for x
   x = 137,778,883.04/12,298.89
6. Step 6: Final answer
   x = 11,202.55