Finding the Fourth Proportional to 10,167.84, 14,031.45 and 5,691.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,167.84 : 14,031.45 = 5,691.60 : x
2. Step 2: Convert to fraction form
   10,167.84/14,031.45 = 5,691.60/x
3. Step 3: Cross multiply
   10,167.84x = 14,031.45 × 5,691.60
4. Step 4: Simplify right side
   10,167.84x = 79,861,400.82
5. Step 5: Solve for x
   x = 79,861,400.82/10,167.84
6. Step 6: Final answer
   x = 7,854.31