Finding the Fourth Proportional to 10,821.67, 14,932.69 and 6,105.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.67 : 14,932.69 = 6,105.04 : x
2. Step 2: Convert to fraction form
   10,821.67/14,932.69 = 6,105.04/x
3. Step 3: Cross multiply
   10,821.67x = 14,932.69 × 6,105.04
4. Step 4: Simplify right side
   10,821.67x = 91,164,669.76
5. Step 5: Solve for x
   x = 91,164,669.76/10,821.67
6. Step 6: Final answer
   x = 8,424.27