Finding the Fourth Proportional to 17,958.38, 24,782.60 and 10,406.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,958.38 : 24,782.60 = 10,406.17 : x
2. Step 2: Convert to fraction form
   17,958.38/24,782.60 = 10,406.17/x
3. Step 3: Cross multiply
   17,958.38x = 24,782.60 × 10,406.17
4. Step 4: Simplify right side
   17,958.38x = 257,891,998.32
5. Step 5: Solve for x
   x = 257,891,998.32/17,958.38
6. Step 6: Final answer
   x = 14,360.54