Finding the Fourth Proportional to 14,185.56, 19,574.82 and 8,215.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.56 : 19,574.82 = 8,215.32 : x
2. Step 2: Convert to fraction form
   14,185.56/19,574.82 = 8,215.32/x
3. Step 3: Cross multiply
   14,185.56x = 19,574.82 × 8,215.32
4. Step 4: Simplify right side
   14,185.56x = 160,813,410.24
5. Step 5: Solve for x
   x = 160,813,410.24/14,185.56
6. Step 6: Final answer
   x = 11,336.42