Finding the Fourth Proportional to 23,591.82, 32,555.46 and 12,979.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,591.82 : 32,555.46 = 12,979.41 : x
2. Step 2: Convert to fraction form
   23,591.82/32,555.46 = 12,979.41/x
3. Step 3: Cross multiply
   23,591.82x = 32,555.46 × 12,979.41
4. Step 4: Simplify right side
   23,591.82x = 422,550,663.08
5. Step 5: Solve for x
   x = 422,550,663.08/23,591.82
6. Step 6: Final answer
   x = 17,910.90