Finding the Fourth Proportional to 10,821.37, 14,933.59 and 6,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.37 : 14,933.59 = 6,105.76 : x
2. Step 2: Convert to fraction form
   10,821.37/14,933.59 = 6,105.76/x
3. Step 3: Cross multiply
   10,821.37x = 14,933.59 × 6,105.76
4. Step 4: Simplify right side
   10,821.37x = 91,180,916.48
5. Step 5: Solve for x
   x = 91,180,916.48/10,821.37
6. Step 6: Final answer
   x = 8,426.00