Finding the Fourth Proportional to 17,738.58, 24,479.18 and 9,781.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,738.58 : 24,479.18 = 9,781.25 : x
2. Step 2: Convert to fraction form
   17,738.58/24,479.18 = 9,781.25/x
3. Step 3: Cross multiply
   17,738.58x = 24,479.18 × 9,781.25
4. Step 4: Simplify right side
   17,738.58x = 239,436,844.75
5. Step 5: Solve for x
   x = 239,436,844.75/17,738.58
6. Step 6: Final answer
   x = 13,498.08