Finding the Fourth Proportional to 14,478.86, 19,976.41 and 9,441.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,478.86 : 19,976.41 = 9,441.27 : x
2. Step 2: Convert to fraction form
   14,478.86/19,976.41 = 9,441.27/x
3. Step 3: Cross multiply
   14,478.86x = 19,976.41 × 9,441.27
4. Step 4: Simplify right side
   14,478.86x = 188,602,680.44
5. Step 5: Solve for x
   x = 188,602,680.44/14,478.86
6. Step 6: Final answer
   x = 13,026.07