Finding the Fourth Proportional to 17,118.97, 23,626.89 and 10,406.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,118.97 : 23,626.89 = 10,406.70 : x
2. Step 2: Convert to fraction form
   17,118.97/23,626.89 = 10,406.70/x
3. Step 3: Cross multiply
   17,118.97x = 23,626.89 × 10,406.70
4. Step 4: Simplify right side
   17,118.97x = 245,878,022.61
5. Step 5: Solve for x
   x = 245,878,022.61/17,118.97
6. Step 6: Final answer
   x = 14,362.90