Finding the Fourth Proportional to 12,493.63, 17,223.82 and 8,711.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,493.63 : 17,223.82 = 8,711.29 : x
2. Step 2: Convert to fraction form
   12,493.63/17,223.82 = 8,711.29/x
3. Step 3: Cross multiply
   12,493.63x = 17,223.82 × 8,711.29
4. Step 4: Simplify right side
   12,493.63x = 150,041,690.93
5. Step 5: Solve for x
   x = 150,041,690.93/12,493.63
6. Step 6: Final answer
   x = 12,009.46