Finding the Fourth Proportional to 23,219.60, 32,042.76 and 12,609.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,219.60 : 32,042.76 = 12,609.30 : x
2. Step 2: Convert to fraction form
   23,219.60/32,042.76 = 12,609.30/x
3. Step 3: Cross multiply
   23,219.60x = 32,042.76 × 12,609.30
4. Step 4: Simplify right side
   23,219.60x = 404,036,893.83
5. Step 5: Solve for x
   x = 404,036,893.83/23,219.60
6. Step 6: Final answer
   x = 17,400.69