Finding the Fourth Proportional to 9,031.03, 12,457.60 and 5,443.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.03 : 12,457.60 = 5,443.54 : x
2. Step 2: Convert to fraction form
   9,031.03/12,457.60 = 5,443.54/x
3. Step 3: Cross multiply
   9,031.03x = 12,457.60 × 5,443.54
4. Step 4: Simplify right side
   9,031.03x = 67,813,399.15
5. Step 5: Solve for x
   x = 67,813,399.15/9,031.03
6. Step 6: Final answer
   x = 7,508.94