Finding the Fourth Proportional to 23,867.42, 35,788.88 and 12,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,867.42 : 35,788.88 = 12,628.82 : x
2. Step 2: Convert to fraction form
   23,867.42/35,788.88 = 12,628.82/x
3. Step 3: Cross multiply
   23,867.42x = 35,788.88 × 12,628.82
4. Step 4: Simplify right side
   23,867.42x = 451,971,081.43
5. Step 5: Solve for x
   x = 451,971,081.43/23,867.42
6. Step 6: Final answer
   x = 18,936.74