Finding the Fourth Proportional to 17,769.38, 24,520.57 and 9,811.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,769.38 : 24,520.57 = 9,811.53 : x
2. Step 2: Convert to fraction form
   17,769.38/24,520.57 = 9,811.53/x
3. Step 3: Cross multiply
   17,769.38x = 24,520.57 × 9,811.53
4. Step 4: Simplify right side
   17,769.38x = 240,584,338.83
5. Step 5: Solve for x
   x = 240,584,338.83/17,769.38
6. Step 6: Final answer
   x = 13,539.27