Finding the Fourth Proportional to 11,960.47, 16,498.19 and 7,480.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,960.47 : 16,498.19 = 7,480.54 : x
2. Step 2: Convert to fraction form
   11,960.47/16,498.19 = 7,480.54/x
3. Step 3: Cross multiply
   11,960.47x = 16,498.19 × 7,480.54
4. Step 4: Simplify right side
   11,960.47x = 123,415,370.22
5. Step 5: Solve for x
   x = 123,415,370.22/11,960.47
6. Step 6: Final answer
   x = 10,318.61