Finding the Fourth Proportional to 14,360.56, 19,815.42 and 8,071.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,360.56 : 19,815.42 = 8,071.72 : x
2. Step 2: Convert to fraction form
   14,360.56/19,815.42 = 8,071.72/x
3. Step 3: Cross multiply
   14,360.56x = 19,815.42 × 8,071.72
4. Step 4: Simplify right side
   14,360.56x = 159,944,521.92
5. Step 5: Solve for x
   x = 159,944,521.92/14,360.56
6. Step 6: Final answer
   x = 11,137.76