Finding the Fourth Proportional to 12,251.89, 16,907.61 and 6,662.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,251.89 : 16,907.61 = 6,662.89 : x
2. Step 2: Convert to fraction form
   12,251.89/16,907.61 = 6,662.89/x
3. Step 3: Cross multiply
   12,251.89x = 16,907.61 × 6,662.89
4. Step 4: Simplify right side
   12,251.89x = 112,653,545.59
5. Step 5: Solve for x
   x = 112,653,545.59/12,251.89
6. Step 6: Final answer
   x = 9,194.79