Finding the Fourth Proportional to 10,167.96, 14,031.72 and 5,691.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,167.96 : 14,031.72 = 5,691.69 : x
2. Step 2: Convert to fraction form
   10,167.96/14,031.72 = 5,691.69/x
3. Step 3: Cross multiply
   10,167.96x = 14,031.72 × 5,691.69
4. Step 4: Simplify right side
   10,167.96x = 79,864,200.41
5. Step 5: Solve for x
   x = 79,864,200.41/10,167.96
6. Step 6: Final answer
   x = 7,854.50