Finding the Fourth Proportional to 17,578.96, 24,256.56 and 10,503.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,578.96 : 24,256.56 = 10,503.88 : x
2. Step 2: Convert to fraction form
   17,578.96/24,256.56 = 10,503.88/x
3. Step 3: Cross multiply
   17,578.96x = 24,256.56 × 10,503.88
4. Step 4: Simplify right side
   17,578.96x = 254,787,995.45
5. Step 5: Solve for x
   x = 254,787,995.45/17,578.96
6. Step 6: Final answer
   x = 14,493.92