Finding the Fourth Proportional to 23,758.12, 32,783.34 and 13,147.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,758.12 : 32,783.34 = 13,147.12 : x
2. Step 2: Convert to fraction form
   23,758.12/32,783.34 = 13,147.12/x
3. Step 3: Cross multiply
   23,758.12x = 32,783.34 × 13,147.12
4. Step 4: Simplify right side
   23,758.12x = 431,006,504.98
5. Step 5: Solve for x
   x = 431,006,504.98/23,758.12
6. Step 6: Final answer
   x = 18,141.44