Finding the Fourth Proportional to 11,664.47, 16,096.97 and 7,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,664.47 : 16,096.97 = 7,472.72 : x
2. Step 2: Convert to fraction form
   11,664.47/16,096.97 = 7,472.72/x
3. Step 3: Cross multiply
   11,664.47x = 16,096.97 × 7,472.72
4. Step 4: Simplify right side
   11,664.47x = 120,288,106.18
5. Step 5: Solve for x
   x = 120,288,106.18/11,664.47
6. Step 6: Final answer
   x = 10,312.35