Finding the Fourth Proportional to 10,428.30, 14,391.29 and 5,951.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428.30 : 14,391.29 = 5,951.96 : x
2. Step 2: Convert to fraction form
   10,428.30/14,391.29 = 5,951.96/x
3. Step 3: Cross multiply
   10,428.30x = 14,391.29 × 5,951.96
4. Step 4: Simplify right side
   10,428.30x = 85,656,388.65
5. Step 5: Solve for x
   x = 85,656,388.65/10,428.30
6. Step 6: Final answer
   x = 8,213.84