Finding the Fourth Proportional to 82,981.10, 124,323.15 and 50,464.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,981.10 : 124,323.15 = 50,464.10 : x
2. Step 2: Convert to fraction form
   82,981.10/124,323.15 = 50,464.10/x
3. Step 3: Cross multiply
   82,981.10x = 124,323.15 × 50,464.10
4. Step 4: Simplify right side
   82,981.10x = 6,273,855,873.92
5. Step 5: Solve for x
   x = 6,273,855,873.92/82,981.10
6. Step 6: Final answer
   x = 75,605.84