Finding the Fourth Proportional to 7,272.98, 10,914.89 and 2,831.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272.98 : 10,914.89 = 2,831.34 : x
2. Step 2: Convert to fraction form
   7,272.98/10,914.89 = 2,831.34/x
3. Step 3: Cross multiply
   7,272.98x = 10,914.89 × 2,831.34
4. Step 4: Simplify right side
   7,272.98x = 30,903,750.50
5. Step 5: Solve for x
   x = 30,903,750.50/7,272.98
6. Step 6: Final answer
   x = 4,249.12