Finding the Fourth Proportional to 17,528.60, 24,189.81 and 9,570.85

Step by Step Solution

1. Step 1: Write the proportion equation
   17,528.60 : 24,189.81 = 9,570.85 : x
2. Step 2: Convert to fraction form
   17,528.60/24,189.81 = 9,570.85/x
3. Step 3: Cross multiply
   17,528.60x = 24,189.81 × 9,570.85
4. Step 4: Simplify right side
   17,528.60x = 231,517,043.04
5. Step 5: Solve for x
   x = 231,517,043.04/17,528.60
6. Step 6: Final answer
   x = 13,207.96