Finding the Fourth Proportional to 8,879.02, 12,262.17 and 7,372.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.02 : 12,262.17 = 7,372.05 : x
2. Step 2: Convert to fraction form
   8,879.02/12,262.17 = 7,372.05/x
3. Step 3: Cross multiply
   8,879.02x = 12,262.17 × 7,372.05
4. Step 4: Simplify right side
   8,879.02x = 90,397,330.35
5. Step 5: Solve for x
   x = 90,397,330.35/8,879.02
6. Step 6: Final answer
   x = 10,181.00