Finding the Fourth Proportional to 23,003.39, 31,745.85 and 12,933.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,003.39 : 31,745.85 = 12,933.47 : x
2. Step 2: Convert to fraction form
   23,003.39/31,745.85 = 12,933.47/x
3. Step 3: Cross multiply
   23,003.39x = 31,745.85 × 12,933.47
4. Step 4: Simplify right side
   23,003.39x = 410,583,998.60
5. Step 5: Solve for x
   x = 410,583,998.60/23,003.39
6. Step 6: Final answer
   x = 17,848.85