Finding the Fourth Proportional to 10,831.78, 14,943.40 and 7,296.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.78 : 14,943.40 = 7,296.13 : x
2. Step 2: Convert to fraction form
   10,831.78/14,943.40 = 7,296.13/x
3. Step 3: Cross multiply
   10,831.78x = 14,943.40 × 7,296.13
4. Step 4: Simplify right side
   10,831.78x = 109,028,989.04
5. Step 5: Solve for x
   x = 109,028,989.04/10,831.78
6. Step 6: Final answer
   x = 10,065.66