Finding the Fourth Proportional to 23,219.49, 32,043.02 and 12,609.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,219.49 : 32,043.02 = 12,609.21 : x
2. Step 2: Convert to fraction form
   23,219.49/32,043.02 = 12,609.21/x
3. Step 3: Cross multiply
   23,219.49x = 32,043.02 × 12,609.21
4. Step 4: Simplify right side
   23,219.49x = 404,037,168.21
5. Step 5: Solve for x
   x = 404,037,168.21/23,219.49
6. Step 6: Final answer
   x = 17,400.78