Finding the Fourth Proportional to 14,086.41, 19,436.88 and 8,423.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,086.41 : 19,436.88 = 8,423.47 : x
2. Step 2: Convert to fraction form
   14,086.41/19,436.88 = 8,423.47/x
3. Step 3: Cross multiply
   14,086.41x = 19,436.88 × 8,423.47
4. Step 4: Simplify right side
   14,086.41x = 163,725,975.57
5. Step 5: Solve for x
   x = 163,725,975.57/14,086.41
6. Step 6: Final answer
   x = 11,622.97