Finding the Fourth Proportional to 81,917.48, 113,023.50 and 46,105.40

Step by Step Solution

1. Step 1: Write the proportion equation
   81,917.48 : 113,023.50 = 46,105.40 : x
2. Step 2: Convert to fraction form
   81,917.48/113,023.50 = 46,105.40/x
3. Step 3: Cross multiply
   81,917.48x = 113,023.50 × 46,105.40
4. Step 4: Simplify right side
   81,917.48x = 5,210,993,676.90
5. Step 5: Solve for x
   x = 5,210,993,676.90/81,917.48
6. Step 6: Final answer
   x = 63,612.72