Finding the Fourth Proportional to 23,528.05, 32,466.78 and 12,917.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,528.05 : 32,466.78 = 12,917.32 : x
2. Step 2: Convert to fraction form
   23,528.05/32,466.78 = 12,917.32/x
3. Step 3: Cross multiply
   23,528.05x = 32,466.78 × 12,917.32
4. Step 4: Simplify right side
   23,528.05x = 419,383,786.63
5. Step 5: Solve for x
   x = 419,383,786.63/23,528.05
6. Step 6: Final answer
   x = 17,824.84