Finding the Fourth Proportional to 31,231.39, 46,835.89 and 9,040.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,231.39 : 46,835.89 = 9,040.18 : x
2. Step 2: Convert to fraction form
   31,231.39/46,835.89 = 9,040.18/x
3. Step 3: Cross multiply
   31,231.39x = 46,835.89 × 9,040.18
4. Step 4: Simplify right side
   31,231.39x = 423,404,596.68
5. Step 5: Solve for x
   x = 423,404,596.68/31,231.39
6. Step 6: Final answer
   x = 13,557.02