Finding the Fourth Proportional to 10,831.46, 16,242.32 and 4,984.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.46 : 16,242.32 = 4,984.88 : x
2. Step 2: Convert to fraction form
   10,831.46/16,242.32 = 4,984.88/x
3. Step 3: Cross multiply
   10,831.46x = 16,242.32 × 4,984.88
4. Step 4: Simplify right side
   10,831.46x = 80,965,947.37
5. Step 5: Solve for x
   x = 80,965,947.37/10,831.46
6. Step 6: Final answer
   x = 7,475.08