Finding the Fourth Proportional to 14,429.52, 19,912.72 and 8,141.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429.52 : 19,912.72 = 8,141.76 : x
2. Step 2: Convert to fraction form
   14,429.52/19,912.72 = 8,141.76/x
3. Step 3: Cross multiply
   14,429.52x = 19,912.72 × 8,141.76
4. Step 4: Simplify right side
   14,429.52x = 162,124,587.19
5. Step 5: Solve for x
   x = 162,124,587.19/14,429.52
6. Step 6: Final answer
   x = 11,235.62