Finding the Fourth Proportional to 11,076.72, 16,615.14 and 3,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,076.72 : 16,615.14 = 3,180.15 : x
2. Step 2: Convert to fraction form
   11,076.72/16,615.14 = 3,180.15/x
3. Step 3: Cross multiply
   11,076.72x = 16,615.14 × 3,180.15
4. Step 4: Simplify right side
   11,076.72x = 52,838,637.47
5. Step 5: Solve for x
   x = 52,838,637.47/11,076.72
6. Step 6: Final answer
   x = 4,770.24