Finding the Fourth Proportional to 12,823.92, 17,697.24 and 7,522.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,823.92 : 17,697.24 = 7,522.56 : x
2. Step 2: Convert to fraction form
   12,823.92/17,697.24 = 7,522.56/x
3. Step 3: Cross multiply
   12,823.92x = 17,697.24 × 7,522.56
4. Step 4: Simplify right side
   12,823.92x = 133,128,549.73
5. Step 5: Solve for x
   x = 133,128,549.73/12,823.92
6. Step 6: Final answer
   x = 10,381.27