Finding the Fourth Proportional to 23,219.57, 32,043.03 and 12,609.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,219.57 : 32,043.03 = 12,609.20 : x
2. Step 2: Convert to fraction form
   23,219.57/32,043.03 = 12,609.20/x
3. Step 3: Cross multiply
   23,219.57x = 32,043.03 × 12,609.20
4. Step 4: Simplify right side
   23,219.57x = 404,036,973.88
5. Step 5: Solve for x
   x = 404,036,973.88/23,219.57
6. Step 6: Final answer
   x = 17,400.71