Finding the Fourth Proportional to 14,145.57, 19,520.06 and 8,176.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,145.57 : 19,520.06 = 8,176.82 : x
2. Step 2: Convert to fraction form
   14,145.57/19,520.06 = 8,176.82/x
3. Step 3: Cross multiply
   14,145.57x = 19,520.06 × 8,176.82
4. Step 4: Simplify right side
   14,145.57x = 159,611,878.52
5. Step 5: Solve for x
   x = 159,611,878.52/14,145.57
6. Step 6: Final answer
   x = 11,283.52