Finding the Fourth Proportional to 9,255.96, 12,773.43 and 5,276.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.96 : 12,773.43 = 5,276.70 : x
2. Step 2: Convert to fraction form
   9,255.96/12,773.43 = 5,276.70/x
3. Step 3: Cross multiply
   9,255.96x = 12,773.43 × 5,276.70
4. Step 4: Simplify right side
   9,255.96x = 67,401,558.08
5. Step 5: Solve for x
   x = 67,401,558.08/9,255.96
6. Step 6: Final answer
   x = 7,281.96