Finding the Fourth Proportional to 12,248.96, 16,887.69 and 7,934.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,248.96 : 16,887.69 = 7,934.37 : x
2. Step 2: Convert to fraction form
   12,248.96/16,887.69 = 7,934.37/x
3. Step 3: Cross multiply
   12,248.96x = 16,887.69 × 7,934.37
4. Step 4: Simplify right side
   12,248.96x = 133,993,212.57
5. Step 5: Solve for x
   x = 133,993,212.57/12,248.96
6. Step 6: Final answer
   x = 10,939.15