Finding the Fourth Proportional to 17,739.61, 24,480.83 and 9,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,739.61 : 24,480.83 = 9,782.12 : x
2. Step 2: Convert to fraction form
   17,739.61/24,480.83 = 9,782.12/x
3. Step 3: Cross multiply
   17,739.61x = 24,480.83 × 9,782.12
4. Step 4: Simplify right side
   17,739.61x = 239,474,367.85
5. Step 5: Solve for x
   x = 239,474,367.85/17,739.61
6. Step 6: Final answer
   x = 13,499.42