Finding the Fourth Proportional to 82,321.93, 113,609.51 and 50,486.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,321.93 : 113,609.51 = 50,486.50 : x
2. Step 2: Convert to fraction form
   82,321.93/113,609.51 = 50,486.50/x
3. Step 3: Cross multiply
   82,321.93x = 113,609.51 × 50,486.50
4. Step 4: Simplify right side
   82,321.93x = 5,735,746,179.48
5. Step 5: Solve for x
   x = 5,735,746,179.48/82,321.93
6. Step 6: Final answer
   x = 69,674.59