Finding the Fourth Proportional to 17,601.90, 24,290.42 and 9,535.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,601.90 : 24,290.42 = 9,535.40 : x
2. Step 2: Convert to fraction form
   17,601.90/24,290.42 = 9,535.40/x
3. Step 3: Cross multiply
   17,601.90x = 24,290.42 × 9,535.40
4. Step 4: Simplify right side
   17,601.90x = 231,618,870.87
5. Step 5: Solve for x
   x = 231,618,870.87/17,601.90
6. Step 6: Final answer
   x = 13,158.74