Finding the Fourth Proportional to 12,480.06, 17,223.39 and 7,176.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480.06 : 17,223.39 = 7,176.54 : x
2. Step 2: Convert to fraction form
   12,480.06/17,223.39 = 7,176.54/x
3. Step 3: Cross multiply
   12,480.06x = 17,223.39 × 7,176.54
4. Step 4: Simplify right side
   12,480.06x = 123,604,347.27
5. Step 5: Solve for x
   x = 123,604,347.27/12,480.06
6. Step 6: Final answer
   x = 9,904.15