Finding the Fourth Proportional to 17,919.47, 24,729.71 and 9,961.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,919.47 : 24,729.71 = 9,961.83 : x
2. Step 2: Convert to fraction form
   17,919.47/24,729.71 = 9,961.83/x
3. Step 3: Cross multiply
   17,919.47x = 24,729.71 × 9,961.83
4. Step 4: Simplify right side
   17,919.47x = 246,353,117.16
5. Step 5: Solve for x
   x = 246,353,117.16/17,919.47
6. Step 6: Final answer
   x = 13,747.79