Finding the Fourth Proportional to 23,178.12, 31,985.49 and 12,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,178.12 : 31,985.49 = 12,567.52 : x
2. Step 2: Convert to fraction form
   23,178.12/31,985.49 = 12,567.52/x
3. Step 3: Cross multiply
   23,178.12x = 31,985.49 × 12,567.52
4. Step 4: Simplify right side
   23,178.12x = 401,978,285.28
5. Step 5: Solve for x
   x = 401,978,285.28/23,178.12
6. Step 6: Final answer
   x = 17,343.01