Finding the Fourth Proportional to 81,919.72, 113,052.81 and 46,112.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,919.72 : 113,052.81 = 46,112.02 : x
2. Step 2: Convert to fraction form
   81,919.72/113,052.81 = 46,112.02/x
3. Step 3: Cross multiply
   81,919.72x = 113,052.81 × 46,112.02
4. Step 4: Simplify right side
   81,919.72x = 5,213,093,435.78
5. Step 5: Solve for x
   x = 5,213,093,435.78/81,919.72
6. Step 6: Final answer
   x = 63,636.61