Finding the Fourth Proportional to 17,171.10, 23,698.52 and 12,406.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.10 : 23,698.52 = 12,406.46 : x
2. Step 2: Convert to fraction form
   17,171.10/23,698.52 = 12,406.46/x
3. Step 3: Cross multiply
   17,171.10x = 23,698.52 × 12,406.46
4. Step 4: Simplify right side
   17,171.10x = 294,014,559.91
5. Step 5: Solve for x
   x = 294,014,559.91/17,171.10
6. Step 6: Final answer
   x = 17,122.64