Finding the Fourth Proportional to 81,908.10, 113,036.81 and 46,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   81,908.10 : 113,036.81 = 46,100.43 : x
2. Step 2: Convert to fraction form
   81,908.10/113,036.81 = 46,100.43/x
3. Step 3: Cross multiply
   81,908.10x = 113,036.81 × 46,100.43
4. Step 4: Simplify right side
   81,908.10x = 5,211,045,546.83
5. Step 5: Solve for x
   x = 5,211,045,546.83/81,908.10
6. Step 6: Final answer
   x = 63,620.64