Finding the Fourth Proportional to 9,254.56, 12,771.39 and 5,277.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,254.56 : 12,771.39 = 5,277.10 : x
2. Step 2: Convert to fraction form
   9,254.56/12,771.39 = 5,277.10/x
3. Step 3: Cross multiply
   9,254.56x = 12,771.39 × 5,277.10
4. Step 4: Simplify right side
   9,254.56x = 67,395,902.17
5. Step 5: Solve for x
   x = 67,395,902.17/9,254.56
6. Step 6: Final answer
   x = 7,282.45