Finding the Fourth Proportional to 16,406.10, 22,643.01 and 10,431.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,406.10 : 22,643.01 = 10,431.54 : x
2. Step 2: Convert to fraction form
   16,406.10/22,643.01 = 10,431.54/x
3. Step 3: Cross multiply
   16,406.10x = 22,643.01 × 10,431.54
4. Step 4: Simplify right side
   16,406.10x = 236,201,464.54
5. Step 5: Solve for x
   x = 236,201,464.54/16,406.10
6. Step 6: Final answer
   x = 14,397.17