Finding the Fourth Proportional to 14,180.79, 19,570.46 and 8,214.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,180.79 : 19,570.46 = 8,214.15 : x
2. Step 2: Convert to fraction form
   14,180.79/19,570.46 = 8,214.15/x
3. Step 3: Cross multiply
   14,180.79x = 19,570.46 × 8,214.15
4. Step 4: Simplify right side
   14,180.79x = 160,754,652.94
5. Step 5: Solve for x
   x = 160,754,652.94/14,180.79
6. Step 6: Final answer
   x = 11,336.09