Finding the Fourth Proportional to 12,481.67, 17,223.36 and 7,177.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,481.67 : 17,223.36 = 7,177.25 : x
2. Step 2: Convert to fraction form
   12,481.67/17,223.36 = 7,177.25/x
3. Step 3: Cross multiply
   12,481.67x = 17,223.36 × 7,177.25
4. Step 4: Simplify right side
   12,481.67x = 123,616,360.56
5. Step 5: Solve for x
   x = 123,616,360.56/12,481.67
6. Step 6: Final answer
   x = 9,903.83