Finding the Fourth Proportional to 23,419.71, 32,318.82 and 12,809.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419.71 : 32,318.82 = 12,809.25 : x
2. Step 2: Convert to fraction form
   23,419.71/32,318.82 = 12,809.25/x
3. Step 3: Cross multiply
   23,419.71x = 32,318.82 × 12,809.25
4. Step 4: Simplify right side
   23,419.71x = 413,979,845.09
5. Step 5: Solve for x
   x = 413,979,845.09/23,419.71
6. Step 6: Final answer
   x = 17,676.56