Finding the Fourth Proportional to 14,124.34, 21,172.72 and 6,726.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,124.34 : 21,172.72 = 6,726.82 : x
2. Step 2: Convert to fraction form
   14,124.34/21,172.72 = 6,726.82/x
3. Step 3: Cross multiply
   14,124.34x = 21,172.72 × 6,726.82
4. Step 4: Simplify right side
   14,124.34x = 142,425,076.35
5. Step 5: Solve for x
   x = 142,425,076.35/14,124.34
6. Step 6: Final answer
   x = 10,083.66