Finding the Fourth Proportional to 17,915.07, 24,721.15 and 9,956.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.07 : 24,721.15 = 9,956.82 : x
2. Step 2: Convert to fraction form
   17,915.07/24,721.15 = 9,956.82/x
3. Step 3: Cross multiply
   17,915.07x = 24,721.15 × 9,956.82
4. Step 4: Simplify right side
   17,915.07x = 246,144,127.22
5. Step 5: Solve for x
   x = 246,144,127.22/17,915.07
6. Step 6: Final answer
   x = 13,739.50