Finding the Fourth Proportional to 10,167.42, 14,031.04 and 5,691.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,167.42 : 14,031.04 = 5,691.17 : x
2. Step 2: Convert to fraction form
   10,167.42/14,031.04 = 5,691.17/x
3. Step 3: Cross multiply
   10,167.42x = 14,031.04 × 5,691.17
4. Step 4: Simplify right side
   10,167.42x = 79,853,033.92
5. Step 5: Solve for x
   x = 79,853,033.92/10,167.42
6. Step 6: Final answer
   x = 7,853.81