Finding the Fourth Proportional to 23,596.38, 32,563.89 and 12,985.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,596.38 : 32,563.89 = 12,985.74 : x
2. Step 2: Convert to fraction form
   23,596.38/32,563.89 = 12,985.74/x
3. Step 3: Cross multiply
   23,596.38x = 32,563.89 × 12,985.74
4. Step 4: Simplify right side
   23,596.38x = 422,866,208.93
5. Step 5: Solve for x
   x = 422,866,208.93/23,596.38
6. Step 6: Final answer
   x = 17,920.81