Finding the Fourth Proportional to 10,236.69, 14,126.61 and 5,760.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,236.69 : 14,126.61 = 5,760.45 : x
2. Step 2: Convert to fraction form
   10,236.69/14,126.61 = 5,760.45/x
3. Step 3: Cross multiply
   10,236.69x = 14,126.61 × 5,760.45
4. Step 4: Simplify right side
   10,236.69x = 81,375,630.57
5. Step 5: Solve for x
   x = 81,375,630.57/10,236.69
6. Step 6: Final answer
   x = 7,949.41