Finding the Fourth Proportional to 9,255.05, 12,771.93 and 5,063.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.05 : 12,771.93 = 5,063.30 : x
2. Step 2: Convert to fraction form
   9,255.05/12,771.93 = 5,063.30/x
3. Step 3: Cross multiply
   9,255.05x = 12,771.93 × 5,063.30
4. Step 4: Simplify right side
   9,255.05x = 64,668,113.17
5. Step 5: Solve for x
   x = 64,668,113.17/9,255.05
6. Step 6: Final answer
   x = 6,987.33