Finding the Fourth Proportional to 82,456.25, 113,789.66 and 46,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,456.25 : 113,789.66 = 46,645.50 : x
2. Step 2: Convert to fraction form
   82,456.25/113,789.66 = 46,645.50/x
3. Step 3: Cross multiply
   82,456.25x = 113,789.66 × 46,645.50
4. Step 4: Simplify right side
   82,456.25x = 5,307,775,585.53
5. Step 5: Solve for x
   x = 5,307,775,585.53/82,456.25
6. Step 6: Final answer
   x = 64,370.81