Finding the Fourth Proportional to 17,738.86, 24,479.83 and 9,781.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,738.86 : 24,479.83 = 9,781.38 : x
2. Step 2: Convert to fraction form
   17,738.86/24,479.83 = 9,781.38/x
3. Step 3: Cross multiply
   17,738.86x = 24,479.83 × 9,781.38
4. Step 4: Simplify right side
   17,738.86x = 239,446,519.57
5. Step 5: Solve for x
   x = 239,446,519.57/17,738.86
6. Step 6: Final answer
   x = 13,498.42