Finding the Fourth Proportional to 82,451.50, 113,783.10 and 46,640.75

Step by Step Solution

1. Step 1: Write the proportion equation
   82,451.50 : 113,783.10 = 46,640.75 : x
2. Step 2: Convert to fraction form
   82,451.50/113,783.10 = 46,640.75/x
3. Step 3: Cross multiply
   82,451.50x = 113,783.10 × 46,640.75
4. Step 4: Simplify right side
   82,451.50x = 5,306,928,552.41
5. Step 5: Solve for x
   x = 5,306,928,552.41/82,451.50
6. Step 6: Final answer
   x = 64,364.25