Finding the Fourth Proportional to 10,435.72, 14,401.74 and 6,243.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.72 : 14,401.74 = 6,243.16 : x
2. Step 2: Convert to fraction form
   10,435.72/14,401.74 = 6,243.16/x
3. Step 3: Cross multiply
   10,435.72x = 14,401.74 × 6,243.16
4. Step 4: Simplify right side
   10,435.72x = 89,912,367.10
5. Step 5: Solve for x
   x = 89,912,367.10/10,435.72
6. Step 6: Final answer
   x = 8,615.83