Finding the Fourth Proportional to 12,480.76, 17,223.04 and 7,175.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480.76 : 17,223.04 = 7,175.48 : x
2. Step 2: Convert to fraction form
   12,480.76/17,223.04 = 7,175.48/x
3. Step 3: Cross multiply
   12,480.76x = 17,223.04 × 7,175.48
4. Step 4: Simplify right side
   12,480.76x = 123,583,579.06
5. Step 5: Solve for x
   x = 123,583,579.06/12,480.76
6. Step 6: Final answer
   x = 9,901.93