Finding the Fourth Proportional to 9,259.92, 12,776.48 and 5,481.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.92 : 12,776.48 = 5,481.88 : x
2. Step 2: Convert to fraction form
   9,259.92/12,776.48 = 5,481.88/x
3. Step 3: Cross multiply
   9,259.92x = 12,776.48 × 5,481.88
4. Step 4: Simplify right side
   9,259.92x = 70,039,122.22
5. Step 5: Solve for x
   x = 70,039,122.22/9,259.92
6. Step 6: Final answer
   x = 7,563.69