Finding the Fourth Proportional to 12,922.62, 17,828.55 and 7,330.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.62 : 17,828.55 = 7,330.38 : x
2. Step 2: Convert to fraction form
   12,922.62/17,828.55 = 7,330.38/x
3. Step 3: Cross multiply
   12,922.62x = 17,828.55 × 7,330.38
4. Step 4: Simplify right side
   12,922.62x = 130,690,046.35
5. Step 5: Solve for x
   x = 130,690,046.35/12,922.62
6. Step 6: Final answer
   x = 10,113.28