Finding the Fourth Proportional to 14,374.43, 19,836.50 and 8,086.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,374.43 : 19,836.50 = 8,086.80 : x
2. Step 2: Convert to fraction form
   14,374.43/19,836.50 = 8,086.80/x
3. Step 3: Cross multiply
   14,374.43x = 19,836.50 × 8,086.80
4. Step 4: Simplify right side
   14,374.43x = 160,413,767.77
5. Step 5: Solve for x
   x = 160,413,767.77/14,374.43
6. Step 6: Final answer
   x = 11,159.67