Finding the Fourth Proportional to 9,831.05, 14,736.18 and 7,056.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.05 : 14,736.18 = 7,056.21 : x
2. Step 2: Convert to fraction form
   9,831.05/14,736.18 = 7,056.21/x
3. Step 3: Cross multiply
   9,831.05x = 14,736.18 × 7,056.21
4. Step 4: Simplify right side
   9,831.05x = 103,981,662.40
5. Step 5: Solve for x
   x = 103,981,662.40/9,831.05
6. Step 6: Final answer
   x = 10,576.87