Finding the Fourth Proportional to 12,356.69, 17,049.56 and 7,322.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,356.69 : 17,049.56 = 7,322.47 : x
2. Step 2: Convert to fraction form
   12,356.69/17,049.56 = 7,322.47/x
3. Step 3: Cross multiply
   12,356.69x = 17,049.56 × 7,322.47
4. Step 4: Simplify right side
   12,356.69x = 124,844,812.38
5. Step 5: Solve for x
   x = 124,844,812.38/12,356.69
6. Step 6: Final answer
   x = 10,103.42