Finding the Fourth Proportional to 23,419.62, 32,319.12 and 12,809.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419.62 : 32,319.12 = 12,809.25 : x
2. Step 2: Convert to fraction form
   23,419.62/32,319.12 = 12,809.25/x
3. Step 3: Cross multiply
   23,419.62x = 32,319.12 × 12,809.25
4. Step 4: Simplify right side
   23,419.62x = 413,983,687.86
5. Step 5: Solve for x
   x = 413,983,687.86/23,419.62
6. Step 6: Final answer
   x = 17,676.79