Finding the Fourth Proportional to 12,548.76, 17,319.57 and 8,568.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.76 : 17,319.57 = 8,568.42 : x
2. Step 2: Convert to fraction form
   12,548.76/17,319.57 = 8,568.42/x
3. Step 3: Cross multiply
   12,548.76x = 17,319.57 × 8,568.42
4. Step 4: Simplify right side
   12,548.76x = 148,401,349.98
5. Step 5: Solve for x
   x = 148,401,349.98/12,548.76
6. Step 6: Final answer
   x = 11,825.98