Finding the Fourth Proportional to 10,821.03, 16,223.47 and 7,301.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.03 : 16,223.47 = 7,301.18 : x
2. Step 2: Convert to fraction form
   10,821.03/16,223.47 = 7,301.18/x
3. Step 3: Cross multiply
   10,821.03x = 16,223.47 × 7,301.18
4. Step 4: Simplify right side
   10,821.03x = 118,450,474.69
5. Step 5: Solve for x
   x = 118,450,474.69/10,821.03
6. Step 6: Final answer
   x = 10,946.32