Finding the Fourth Proportional to 9,359.62, 14,031.98 and 5,406.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.62 : 14,031.98 = 5,406.38 : x
2. Step 2: Convert to fraction form
   9,359.62/14,031.98 = 5,406.38/x
3. Step 3: Cross multiply
   9,359.62x = 14,031.98 × 5,406.38
4. Step 4: Simplify right side
   9,359.62x = 75,862,216.03
5. Step 5: Solve for x
   x = 75,862,216.03/9,359.62
6. Step 6: Final answer
   x = 8,105.27