Finding the Fourth Proportional to 81,930.82, 113,055.73 and 46,120.18

Step by Step Solution

1. Step 1: Write the proportion equation
   81,930.82 : 113,055.73 = 46,120.18 : x
2. Step 2: Convert to fraction form
   81,930.82/113,055.73 = 46,120.18/x
3. Step 3: Cross multiply
   81,930.82x = 113,055.73 × 46,120.18
4. Step 4: Simplify right side
   81,930.82x = 5,214,150,617.63
5. Step 5: Solve for x
   x = 5,214,150,617.63/81,930.82
6. Step 6: Final answer
   x = 63,640.89