Finding the Fourth Proportional to 17,768.36, 24,520.72 and 9,811.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,768.36 : 24,520.72 = 9,811.09 : x
2. Step 2: Convert to fraction form
   17,768.36/24,520.72 = 9,811.09/x
3. Step 3: Cross multiply
   17,768.36x = 24,520.72 × 9,811.09
4. Step 4: Simplify right side
   17,768.36x = 240,574,990.78
5. Step 5: Solve for x
   x = 240,574,990.78/17,768.36
6. Step 6: Final answer
   x = 13,539.52