Finding the Fourth Proportional to 35,879.33, 49,507.88 and 20,769.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,879.33 : 49,507.88 = 20,769.05 : x
2. Step 2: Convert to fraction form
   35,879.33/49,507.88 = 20,769.05/x
3. Step 3: Cross multiply
   35,879.33x = 49,507.88 × 20,769.05
4. Step 4: Simplify right side
   35,879.33x = 1,028,231,655.04
5. Step 5: Solve for x
   x = 1,028,231,655.04/35,879.33
6. Step 6: Final answer
   x = 28,658.05