Finding the Fourth Proportional to 12,597, 17,380.24 and 8,123.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,597 : 17,380.24 = 8,123.36 : x
2. Step 2: Convert to fraction form
   12,597/17,380.24 = 8,123.36/x
3. Step 3: Cross multiply
   12,597x = 17,380.24 × 8,123.36
4. Step 4: Simplify right side
   12,597x = 141,185,946.41
5. Step 5: Solve for x
   x = 141,185,946.41/12,597
6. Step 6: Final answer
   x = 11,207.90