Finding the Fourth Proportional to 23,441.76, 32,349.69 and 12,831.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,441.76 : 32,349.69 = 12,831.30 : x
2. Step 2: Convert to fraction form
   23,441.76/32,349.69 = 12,831.30/x
3. Step 3: Cross multiply
   23,441.76x = 32,349.69 × 12,831.30
4. Step 4: Simplify right side
   23,441.76x = 415,088,577.30
5. Step 5: Solve for x
   x = 415,088,577.30/23,441.76
6. Step 6: Final answer
   x = 17,707.23