Finding the Fourth Proportional to 14,086.89, 19,439.74 and 7,713.41

Step by Step Solution

1. Step 1: Write the proportion equation
   14,086.89 : 19,439.74 = 7,713.41 : x
2. Step 2: Convert to fraction form
   14,086.89/19,439.74 = 7,713.41/x
3. Step 3: Cross multiply
   14,086.89x = 19,439.74 × 7,713.41
4. Step 4: Simplify right side
   14,086.89x = 149,946,684.91
5. Step 5: Solve for x
   x = 149,946,684.91/14,086.89
6. Step 6: Final answer
   x = 10,644.41