Finding the Fourth Proportional to 14,429.07, 19,911.96 and 8,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429.07 : 19,911.96 = 8,141.31 : x
2. Step 2: Convert to fraction form
   14,429.07/19,911.96 = 8,141.31/x
3. Step 3: Cross multiply
   14,429.07x = 19,911.96 × 8,141.31
4. Step 4: Simplify right side
   14,429.07x = 162,109,439.07
5. Step 5: Solve for x
   x = 162,109,439.07/14,429.07
6. Step 6: Final answer
   x = 11,234.92