Finding the Fourth Proportional to 81,920.10, 113,048.22 and 46,114.06

Step by Step Solution

1. Step 1: Write the proportion equation
   81,920.10 : 113,048.22 = 46,114.06 : x
2. Step 2: Convert to fraction form
   81,920.10/113,048.22 = 46,114.06/x
3. Step 3: Cross multiply
   81,920.10x = 113,048.22 × 46,114.06
4. Step 4: Simplify right side
   81,920.10x = 5,213,112,399.97
5. Step 5: Solve for x
   x = 5,213,112,399.97/81,920.10
6. Step 6: Final answer
   x = 63,636.55