Finding the Fourth Proportional to 31,046.73, 46,570.53 and 8,860.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,046.73 : 46,570.53 = 8,860.10 : x
2. Step 2: Convert to fraction form
   31,046.73/46,570.53 = 8,860.10/x
3. Step 3: Cross multiply
   31,046.73x = 46,570.53 × 8,860.10
4. Step 4: Simplify right side
   31,046.73x = 412,619,743.13
5. Step 5: Solve for x
   x = 412,619,743.13/31,046.73
6. Step 6: Final answer
   x = 13,290.28