Finding the Fourth Proportional to 10,423.28, 14,383.55 and 5,706.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.28 : 14,383.55 = 5,706.65 : x
2. Step 2: Convert to fraction form
   10,423.28/14,383.55 = 5,706.65/x
3. Step 3: Cross multiply
   10,423.28x = 14,383.55 × 5,706.65
4. Step 4: Simplify right side
   10,423.28x = 82,081,785.16
5. Step 5: Solve for x
   x = 82,081,785.16/10,423.28
6. Step 6: Final answer
   x = 7,874.86