Finding the Fourth Proportional to 12,623.24, 17,434.04 and 9,824.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,623.24 : 17,434.04 = 9,824.49 : x
2. Step 2: Convert to fraction form
   12,623.24/17,434.04 = 9,824.49/x
3. Step 3: Cross multiply
   12,623.24x = 17,434.04 × 9,824.49
4. Step 4: Simplify right side
   12,623.24x = 171,280,502.52
5. Step 5: Solve for x
   x = 171,280,502.52/12,623.24
6. Step 6: Final answer
   x = 13,568.66