Finding the Fourth Proportional to 12,709.38, 17,539.59 and 7,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709.38 : 17,539.59 = 7,329.82 : x
2. Step 2: Convert to fraction form
   12,709.38/17,539.59 = 7,329.82/x
3. Step 3: Cross multiply
   12,709.38x = 17,539.59 × 7,329.82
4. Step 4: Simplify right side
   12,709.38x = 128,562,012.05
5. Step 5: Solve for x
   x = 128,562,012.05/12,709.38
6. Step 6: Final answer
   x = 10,115.52