Finding the Fourth Proportional to 82,660.25, 124,025.49 and 45,176.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,660.25 : 124,025.49 = 45,176.54 : x
2. Step 2: Convert to fraction form
   82,660.25/124,025.49 = 45,176.54/x
3. Step 3: Cross multiply
   82,660.25x = 124,025.49 × 45,176.54
4. Step 4: Simplify right side
   82,660.25x = 5,603,042,196.35
5. Step 5: Solve for x
   x = 5,603,042,196.35/82,660.25
6. Step 6: Final answer
   x = 67,783.99