Finding the Fourth Proportional to 14,506.88, 21,721.28 and 7,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,506.88 : 21,721.28 = 7,566.72 : x
2. Step 2: Convert to fraction form
   14,506.88/21,721.28 = 7,566.72/x
3. Step 3: Cross multiply
   14,506.88x = 21,721.28 × 7,566.72
4. Step 4: Simplify right side
   14,506.88x = 164,358,843.80
5. Step 5: Solve for x
   x = 164,358,843.80/14,506.88
6. Step 6: Final answer
   x = 11,329.72