Finding the Fourth Proportional to 10,199.52, 15,301.71 and 3,959.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,199.52 : 15,301.71 = 3,959.69 : x
2. Step 2: Convert to fraction form
   10,199.52/15,301.71 = 3,959.69/x
3. Step 3: Cross multiply
   10,199.52x = 15,301.71 × 3,959.69
4. Step 4: Simplify right side
   10,199.52x = 60,589,951.56
5. Step 5: Solve for x
   x = 60,589,951.56/10,199.52
6. Step 6: Final answer
   x = 5,940.47