Finding the Fourth Proportional to 10,215.90, 14,096.22 and 5,739.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215.90 : 14,096.22 = 5,739.06 : x
2. Step 2: Convert to fraction form
   10,215.90/14,096.22 = 5,739.06/x
3. Step 3: Cross multiply
   10,215.90x = 14,096.22 × 5,739.06
4. Step 4: Simplify right side
   10,215.90x = 80,899,052.35
5. Step 5: Solve for x
   x = 80,899,052.35/10,215.90
6. Step 6: Final answer
   x = 7,918.94