Finding the Fourth Proportional to 14,264, 21,377.15 and 10,328.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,264 : 21,377.15 = 10,328.42 : x
2. Step 2: Convert to fraction form
   14,264/21,377.15 = 10,328.42/x
3. Step 3: Cross multiply
   14,264x = 21,377.15 × 10,328.42
4. Step 4: Simplify right side
   14,264x = 220,792,131.96
5. Step 5: Solve for x
   x = 220,792,131.96/14,264
6. Step 6: Final answer
   x = 15,478.98