Finding the Fourth Proportional to 11,955.24, 16,506.36 and 7,480.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,955.24 : 16,506.36 = 7,480.80 : x
2. Step 2: Convert to fraction form
   11,955.24/16,506.36 = 7,480.80/x
3. Step 3: Cross multiply
   11,955.24x = 16,506.36 × 7,480.80
4. Step 4: Simplify right side
   11,955.24x = 123,480,777.89
5. Step 5: Solve for x
   x = 123,480,777.89/11,955.24
6. Step 6: Final answer
   x = 10,328.59