Finding the Fourth Proportional to 10,831.76, 14,948.05 and 6,116.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.76 : 14,948.05 = 6,116.15 : x
2. Step 2: Convert to fraction form
   10,831.76/14,948.05 = 6,116.15/x
3. Step 3: Cross multiply
   10,831.76x = 14,948.05 × 6,116.15
4. Step 4: Simplify right side
   10,831.76x = 91,424,441.27
5. Step 5: Solve for x
   x = 91,424,441.27/10,831.76
6. Step 6: Final answer
   x = 8,440.41