Finding the Fourth Proportional to 12,829.68, 17,701.20 and 7,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,829.68 : 17,701.20 = 7,524.72 : x
2. Step 2: Convert to fraction form
   12,829.68/17,701.20 = 7,524.72/x
3. Step 3: Cross multiply
   12,829.68x = 17,701.20 × 7,524.72
4. Step 4: Simplify right side
   12,829.68x = 133,196,573.66
5. Step 5: Solve for x
   x = 133,196,573.66/12,829.68
6. Step 6: Final answer
   x = 10,381.91