Finding the Fourth Proportional to 49,196.67, 67,879.33 and 28,775.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,196.67 : 67,879.33 = 28,775.56 : x
2. Step 2: Convert to fraction form
   49,196.67/67,879.33 = 28,775.56/x
3. Step 3: Cross multiply
   49,196.67x = 67,879.33 × 28,775.56
4. Step 4: Simplify right side
   49,196.67x = 1,953,265,491.54
5. Step 5: Solve for x
   x = 1,953,265,491.54/49,196.67
6. Step 6: Final answer
   x = 39,703.21