Finding the Fourth Proportional to 10,467.10, 14,443.94 and 9,631.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,467.10 : 14,443.94 = 9,631.18 : x
2. Step 2: Convert to fraction form
   10,467.10/14,443.94 = 9,631.18/x
3. Step 3: Cross multiply
   10,467.10x = 14,443.94 × 9,631.18
4. Step 4: Simplify right side
   10,467.10x = 139,112,186.05
5. Step 5: Solve for x
   x = 139,112,186.05/10,467.10
6. Step 6: Final answer
   x = 13,290.42