Finding the Fourth Proportional to 12,480.08, 17,221.82 and 7,444.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480.08 : 17,221.82 = 7,444.71 : x
2. Step 2: Convert to fraction form
   12,480.08/17,221.82 = 7,444.71/x
3. Step 3: Cross multiply
   12,480.08x = 17,221.82 × 7,444.71
4. Step 4: Simplify right side
   12,480.08x = 128,211,418.35
5. Step 5: Solve for x
   x = 128,211,418.35/12,480.08
6. Step 6: Final answer
   x = 10,273.29