Finding the Fourth Proportional to 10,265.80, 14,168.10 and 5,789.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.80 : 14,168.10 = 5,789.80 : x
2. Step 2: Convert to fraction form
   10,265.80/14,168.10 = 5,789.80/x
3. Step 3: Cross multiply
   10,265.80x = 14,168.10 × 5,789.80
4. Step 4: Simplify right side
   10,265.80x = 82,030,465.38
5. Step 5: Solve for x
   x = 82,030,465.38/10,265.80
6. Step 6: Final answer
   x = 7,990.65