Finding the Fourth Proportional to 12,463.41, 17,198.55 and 7,159.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.41 : 17,198.55 = 7,159.94 : x
2. Step 2: Convert to fraction form
   12,463.41/17,198.55 = 7,159.94/x
3. Step 3: Cross multiply
   12,463.41x = 17,198.55 × 7,159.94
4. Step 4: Simplify right side
   12,463.41x = 123,140,500.09
5. Step 5: Solve for x
   x = 123,140,500.09/12,463.41
6. Step 6: Final answer
   x = 9,880.16