Finding the Fourth Proportional to 9,457.92, 13,052.52 and 5,480.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.92 : 13,052.52 = 5,480.28 : x
2. Step 2: Convert to fraction form
   9,457.92/13,052.52 = 5,480.28/x
3. Step 3: Cross multiply
   9,457.92x = 13,052.52 × 5,480.28
4. Step 4: Simplify right side
   9,457.92x = 71,531,464.31
5. Step 5: Solve for x
   x = 71,531,464.31/9,457.92
6. Step 6: Final answer
   x = 7,563.13