Finding the Fourth Proportional to 12,856.52, 17,747.75 and 7,551.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,856.52 : 17,747.75 = 7,551.67 : x
2. Step 2: Convert to fraction form
   12,856.52/17,747.75 = 7,551.67/x
3. Step 3: Cross multiply
   12,856.52x = 17,747.75 × 7,551.67
4. Step 4: Simplify right side
   12,856.52x = 134,025,151.24
5. Step 5: Solve for x
   x = 134,025,151.24/12,856.52
6. Step 6: Final answer
   x = 10,424.68