Finding the Fourth Proportional to 10,831.72, 14,948.06 and 6,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.72 : 14,948.06 = 6,116.04 : x
2. Step 2: Convert to fraction form
   10,831.72/14,948.06 = 6,116.04/x
3. Step 3: Cross multiply
   10,831.72x = 14,948.06 × 6,116.04
4. Step 4: Simplify right side
   10,831.72x = 91,422,932.88
5. Step 5: Solve for x
   x = 91,422,932.88/10,831.72
6. Step 6: Final answer
   x = 8,440.30