Finding the Fourth Proportional to 12,425.92, 17,146.72 and 7,320.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.92 : 17,146.72 = 7,320.62 : x
2. Step 2: Convert to fraction form
   12,425.92/17,146.72 = 7,320.62/x
3. Step 3: Cross multiply
   12,425.92x = 17,146.72 × 7,320.62
4. Step 4: Simplify right side
   12,425.92x = 125,524,621.37
5. Step 5: Solve for x
   x = 125,524,621.37/12,425.92
6. Step 6: Final answer
   x = 10,101.84