Finding the Fourth Proportional to 9,257.39, 12,773.22 and 5,481.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,257.39 : 12,773.22 = 5,481.74 : x
2. Step 2: Convert to fraction form
   9,257.39/12,773.22 = 5,481.74/x
3. Step 3: Cross multiply
   9,257.39x = 12,773.22 × 5,481.74
4. Step 4: Simplify right side
   9,257.39x = 70,019,443.91
5. Step 5: Solve for x
   x = 70,019,443.91/9,257.39
6. Step 6: Final answer
   x = 7,563.63