Finding the Fourth Proportional to 10,096.43, 13,939.46 and 7,439.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,096.43 : 13,939.46 = 7,439.22 : x
2. Step 2: Convert to fraction form
   10,096.43/13,939.46 = 7,439.22/x
3. Step 3: Cross multiply
   10,096.43x = 13,939.46 × 7,439.22
4. Step 4: Simplify right side
   10,096.43x = 103,698,672.43
5. Step 5: Solve for x
   x = 103,698,672.43/10,096.43
6. Step 6: Final answer
   x = 10,270.83