Finding the Fourth Proportional to 12,340.36, 17,011.98 and 8,797.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,340.36 : 17,011.98 = 8,797.42 : x
2. Step 2: Convert to fraction form
   12,340.36/17,011.98 = 8,797.42/x
3. Step 3: Cross multiply
   12,340.36x = 17,011.98 × 8,797.42
4. Step 4: Simplify right side
   12,340.36x = 149,661,490.56
5. Step 5: Solve for x
   x = 149,661,490.56/12,340.36
6. Step 6: Final answer
   x = 12,127.81