Finding the Fourth Proportional to 9,255.34, 12,772.47 and 5,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.34 : 12,772.47 = 5,063.50 : x
2. Step 2: Convert to fraction form
   9,255.34/12,772.47 = 5,063.50/x
3. Step 3: Cross multiply
   9,255.34x = 12,772.47 × 5,063.50
4. Step 4: Simplify right side
   9,255.34x = 64,673,401.85
5. Step 5: Solve for x
   x = 64,673,401.85/9,255.34
6. Step 6: Final answer
   x = 6,987.69