Finding the Fourth Proportional to 9,410.56, 13,046.04 and 8,911.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,410.56 : 13,046.04 = 8,911.22 : x
2. Step 2: Convert to fraction form
   9,410.56/13,046.04 = 8,911.22/x
3. Step 3: Cross multiply
   9,410.56x = 13,046.04 × 8,911.22
4. Step 4: Simplify right side
   9,410.56x = 116,256,132.57
5. Step 5: Solve for x
   x = 116,256,132.57/9,410.56
6. Step 6: Final answer
   x = 12,353.80