Finding the Fourth Proportional to 23,440.89, 35,128.52 and 16,836.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,440.89 : 35,128.52 = 16,836.15 : x
2. Step 2: Convert to fraction form
   23,440.89/35,128.52 = 16,836.15/x
3. Step 3: Cross multiply
   23,440.89x = 35,128.52 × 16,836.15
4. Step 4: Simplify right side
   23,440.89x = 591,429,142.68
5. Step 5: Solve for x
   x = 591,429,142.68/23,440.89
6. Step 6: Final answer
   x = 25,230.66