Finding the Fourth Proportional to 10,758.79, 16,124.24 and 4,831.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,758.79 : 16,124.24 = 4,831.30 : x
2. Step 2: Convert to fraction form
   10,758.79/16,124.24 = 4,831.30/x
3. Step 3: Cross multiply
   10,758.79x = 16,124.24 × 4,831.30
4. Step 4: Simplify right side
   10,758.79x = 77,901,016.56
5. Step 5: Solve for x
   x = 77,901,016.56/10,758.79
6. Step 6: Final answer
   x = 7,240.69