Finding the Fourth Proportional to 10,816.02, 14,923.71 and 7,289.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816.02 : 14,923.71 = 7,289.28 : x
2. Step 2: Convert to fraction form
   10,816.02/14,923.71 = 7,289.28/x
3. Step 3: Cross multiply
   10,816.02x = 14,923.71 × 7,289.28
4. Step 4: Simplify right side
   10,816.02x = 108,783,100.83
5. Step 5: Solve for x
   x = 108,783,100.83/10,816.02
6. Step 6: Final answer
   x = 10,057.59