Finding the Fourth Proportional to 14,067.34, 21,111.23 and 10,379.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,067.34 : 21,111.23 = 10,379.48 : x
2. Step 2: Convert to fraction form
   14,067.34/21,111.23 = 10,379.48/x
3. Step 3: Cross multiply
   14,067.34x = 21,111.23 × 10,379.48
4. Step 4: Simplify right side
   14,067.34x = 219,123,509.95
5. Step 5: Solve for x
   x = 219,123,509.95/14,067.34
6. Step 6: Final answer
   x = 15,576.76