Finding the Fourth Proportional to 10,818.29, 14,931.95 and 6,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.29 : 14,931.95 = 6,105.31 : x
2. Step 2: Convert to fraction form
   10,818.29/14,931.95 = 6,105.31/x
3. Step 3: Cross multiply
   10,818.29x = 14,931.95 × 6,105.31
4. Step 4: Simplify right side
   10,818.29x = 91,164,183.65
5. Step 5: Solve for x
   x = 91,164,183.65/10,818.29
6. Step 6: Final answer
   x = 8,426.86