Finding the Fourth Proportional to 14,182.28, 19,575.86 and 8,215.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,182.28 : 19,575.86 = 8,215.42 : x
2. Step 2: Convert to fraction form
   14,182.28/19,575.86 = 8,215.42/x
3. Step 3: Cross multiply
   14,182.28x = 19,575.86 × 8,215.42
4. Step 4: Simplify right side
   14,182.28x = 160,823,911.76
5. Step 5: Solve for x
   x = 160,823,911.76/14,182.28
6. Step 6: Final answer
   x = 11,339.78