Finding the Fourth Proportional to 14,499.30, 21,702.78 and 11,544.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.30 : 21,702.78 = 11,544.42 : x
2. Step 2: Convert to fraction form
   14,499.30/21,702.78 = 11,544.42/x
3. Step 3: Cross multiply
   14,499.30x = 21,702.78 × 11,544.42
4. Step 4: Simplify right side
   14,499.30x = 250,546,007.49
5. Step 5: Solve for x
   x = 250,546,007.49/14,499.30
6. Step 6: Final answer
   x = 17,279.87