Finding the Fourth Proportional to 31,170.67, 46,766.37 and 10,111.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,170.67 : 46,766.37 = 10,111.39 : x
2. Step 2: Convert to fraction form
   31,170.67/46,766.37 = 10,111.39/x
3. Step 3: Cross multiply
   31,170.67x = 46,766.37 × 10,111.39
4. Step 4: Simplify right side
   31,170.67x = 472,873,005.95
5. Step 5: Solve for x
   x = 472,873,005.95/31,170.67
6. Step 6: Final answer
   x = 15,170.45