Finding the Fourth Proportional to 23,870.24, 32,940.32 and 13,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.24 : 32,940.32 = 13,259.52 : x
2. Step 2: Convert to fraction form
   23,870.24/32,940.32 = 13,259.52/x
3. Step 3: Cross multiply
   23,870.24x = 32,940.32 × 13,259.52
4. Step 4: Simplify right side
   23,870.24x = 436,772,831.85
5. Step 5: Solve for x
   x = 436,772,831.85/23,870.24
6. Step 6: Final answer
   x = 18,297.80