Finding the Fourth Proportional to 81,931.38, 113,062.68 and 46,116.53

Step by Step Solution

1. Step 1: Write the proportion equation
   81,931.38 : 113,062.68 = 46,116.53 : x
2. Step 2: Convert to fraction form
   81,931.38/113,062.68 = 46,116.53/x
3. Step 3: Cross multiply
   81,931.38x = 113,062.68 × 46,116.53
4. Step 4: Simplify right side
   81,931.38x = 5,214,057,908.79
5. Step 5: Solve for x
   x = 5,214,057,908.79/81,931.38
6. Step 6: Final answer
   x = 63,639.33