Finding the Fourth Proportional to 17,738.64, 24,479.01 and 9,781.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,738.64 : 24,479.01 = 9,781.59 : x
2. Step 2: Convert to fraction form
   17,738.64/24,479.01 = 9,781.59/x
3. Step 3: Cross multiply
   17,738.64x = 24,479.01 × 9,781.59
4. Step 4: Simplify right side
   17,738.64x = 239,443,639.43
5. Step 5: Solve for x
   x = 239,443,639.43/17,738.64
6. Step 6: Final answer
   x = 13,498.42