Finding the Fourth Proportional to 23,673.47, 32,669.55 and 12,919.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,673.47 : 32,669.55 = 12,919.10 : x
2. Step 2: Convert to fraction form
   23,673.47/32,669.55 = 12,919.10/x
3. Step 3: Cross multiply
   23,673.47x = 32,669.55 × 12,919.10
4. Step 4: Simplify right side
   23,673.47x = 422,061,118.81
5. Step 5: Solve for x
   x = 422,061,118.81/23,673.47
6. Step 6: Final answer
   x = 17,828.44