Finding the Fourth Proportional to 14,488.59, 21,728.27 and 7,467.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,488.59 : 21,728.27 = 7,467.71 : x
2. Step 2: Convert to fraction form
   14,488.59/21,728.27 = 7,467.71/x
3. Step 3: Cross multiply
   14,488.59x = 21,728.27 × 7,467.71
4. Step 4: Simplify right side
   14,488.59x = 162,260,419.16
5. Step 5: Solve for x
   x = 162,260,419.16/14,488.59
6. Step 6: Final answer
   x = 11,199.19