Finding the Fourth Proportional to 9,255.16, 12,771.98 and 5,063.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.16 : 12,771.98 = 5,063.42 : x
2. Step 2: Convert to fraction form
   9,255.16/12,771.98 = 5,063.42/x
3. Step 3: Cross multiply
   9,255.16x = 12,771.98 × 5,063.42
4. Step 4: Simplify right side
   9,255.16x = 64,669,898.97
5. Step 5: Solve for x
   x = 64,669,898.97/9,255.16
6. Step 6: Final answer
   x = 6,987.44