Finding the Fourth Proportional to 31,104.89, 46,647.77 and 8,912.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104.89 : 46,647.77 = 8,912.32 : x
2. Step 2: Convert to fraction form
   31,104.89/46,647.77 = 8,912.32/x
3. Step 3: Cross multiply
   31,104.89x = 46,647.77 × 8,912.32
4. Step 4: Simplify right side
   31,104.89x = 415,739,575.73
5. Step 5: Solve for x
   x = 415,739,575.73/31,104.89
6. Step 6: Final answer
   x = 13,365.73