Finding the Fourth Proportional to 10,168.30, 14,031.30 and 5,919.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.30 : 14,031.30 = 5,919.18 : x
2. Step 2: Convert to fraction form
   10,168.30/14,031.30 = 5,919.18/x
3. Step 3: Cross multiply
   10,168.30x = 14,031.30 × 5,919.18
4. Step 4: Simplify right side
   10,168.30x = 83,053,790.33
5. Step 5: Solve for x
   x = 83,053,790.33/10,168.30
6. Step 6: Final answer
   x = 8,167.91