Finding the Fourth Proportional to 55,620.46, 82,934.56 and 49,438.54

Step by Step Solution

1. Step 1: Write the proportion equation
   55,620.46 : 82,934.56 = 49,438.54 : x
2. Step 2: Convert to fraction form
   55,620.46/82,934.56 = 49,438.54/x
3. Step 3: Cross multiply
   55,620.46x = 82,934.56 × 49,438.54
4. Step 4: Simplify right side
   55,620.46x = 4,100,163,561.94
5. Step 5: Solve for x
   x = 4,100,163,561.94/55,620.46
6. Step 6: Final answer
   x = 73,716.82