Finding the Fourth Proportional to 23,754.42, 32,780.61 and 13,143.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,754.42 : 32,780.61 = 13,143.42 : x
2. Step 2: Convert to fraction form
   23,754.42/32,780.61 = 13,143.42/x
3. Step 3: Cross multiply
   23,754.42x = 32,780.61 × 13,143.42
4. Step 4: Simplify right side
   23,754.42x = 430,849,325.09
5. Step 5: Solve for x
   x = 430,849,325.09/23,754.42
6. Step 6: Final answer
   x = 18,137.65