Finding the Fourth Proportional to 23,360, 32,237.55 and 13,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,360 : 32,237.55 = 13,288.18 : x
2. Step 2: Convert to fraction form
   23,360/32,237.55 = 13,288.18/x
3. Step 3: Cross multiply
   23,360x = 32,237.55 × 13,288.18
4. Step 4: Simplify right side
   23,360x = 428,378,367.16
5. Step 5: Solve for x
   x = 428,378,367.16/23,360
6. Step 6: Final answer
   x = 18,338.12