Finding the Fourth Proportional to 82,942.37, 124,196.67 and 45,424.38

Step by Step Solution

1. Step 1: Write the proportion equation
   82,942.37 : 124,196.67 = 45,424.38 : x
2. Step 2: Convert to fraction form
   82,942.37/124,196.67 = 45,424.38/x
3. Step 3: Cross multiply
   82,942.37x = 124,196.67 × 45,424.38
4. Step 4: Simplify right side
   82,942.37x = 5,641,556,732.81
5. Step 5: Solve for x
   x = 5,641,556,732.81/82,942.37
6. Step 6: Final answer
   x = 68,017.79