Finding the Fourth Proportional to 23,555.94, 32,506.52 and 12,945.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,555.94 : 32,506.52 = 12,945.56 : x
2. Step 2: Convert to fraction form
   23,555.94/32,506.52 = 12,945.56/x
3. Step 3: Cross multiply
   23,555.94x = 32,506.52 × 12,945.56
4. Step 4: Simplify right side
   23,555.94x = 420,815,105.05
5. Step 5: Solve for x
   x = 420,815,105.05/23,555.94
6. Step 6: Final answer
   x = 17,864.50