Finding the Fourth Proportional to 81,018.49, 111,788.83 and 46,556.57

Step by Step Solution

1. Step 1: Write the proportion equation
   81,018.49 : 111,788.83 = 46,556.57 : x
2. Step 2: Convert to fraction form
   81,018.49/111,788.83 = 46,556.57/x
3. Step 3: Cross multiply
   81,018.49x = 111,788.83 × 46,556.57
4. Step 4: Simplify right side
   81,018.49x = 5,204,504,489.11
5. Step 5: Solve for x
   x = 5,204,504,489.11/81,018.49
6. Step 6: Final answer
   x = 64,238.48