Finding the Fourth Proportional to 17,958.28, 24,781.56 and 10,404.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,958.28 : 24,781.56 = 10,404.24 : x
2. Step 2: Convert to fraction form
   17,958.28/24,781.56 = 10,404.24/x
3. Step 3: Cross multiply
   17,958.28x = 24,781.56 × 10,404.24
4. Step 4: Simplify right side
   17,958.28x = 257,833,297.81
5. Step 5: Solve for x
   x = 257,833,297.81/17,958.28
6. Step 6: Final answer
   x = 14,357.35