Finding the Fourth Proportional to 10,026.72, 15,043.20 and 4,831.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,026.72 : 15,043.20 = 4,831.68 : x
2. Step 2: Convert to fraction form
   10,026.72/15,043.20 = 4,831.68/x
3. Step 3: Cross multiply
   10,026.72x = 15,043.20 × 4,831.68
4. Step 4: Simplify right side
   10,026.72x = 72,683,928.58
5. Step 5: Solve for x
   x = 72,683,928.58/10,026.72
6. Step 6: Final answer
   x = 7,249.02