Finding the Fourth Proportional to 14,146.61, 19,520.82 and 8,180.19

Step by Step Solution

1. Step 1: Write the proportion equation
   14,146.61 : 19,520.82 = 8,180.19 : x
2. Step 2: Convert to fraction form
   14,146.61/19,520.82 = 8,180.19/x
3. Step 3: Cross multiply
   14,146.61x = 19,520.82 × 8,180.19
4. Step 4: Simplify right side
   14,146.61x = 159,684,016.56
5. Step 5: Solve for x
   x = 159,684,016.56/14,146.61
6. Step 6: Final answer
   x = 11,287.80