Finding the Fourth Proportional to 9,254.53, 12,771.57 and 5,062.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,254.53 : 12,771.57 = 5,062.78 : x
2. Step 2: Convert to fraction form
   9,254.53/12,771.57 = 5,062.78/x
3. Step 3: Cross multiply
   9,254.53x = 12,771.57 × 5,062.78
4. Step 4: Simplify right side
   9,254.53x = 64,659,649.16
5. Step 5: Solve for x
   x = 64,659,649.16/9,254.53
6. Step 6: Final answer
   x = 6,986.81