Finding the Fourth Proportional to 49,959.87, 68,947.25 and 28,742.33

Step by Step Solution

1. Step 1: Write the proportion equation
   49,959.87 : 68,947.25 = 28,742.33 : x
2. Step 2: Convert to fraction form
   49,959.87/68,947.25 = 28,742.33/x
3. Step 3: Cross multiply
   49,959.87x = 68,947.25 × 28,742.33
4. Step 4: Simplify right side
   49,959.87x = 1,981,704,123.64
5. Step 5: Solve for x
   x = 1,981,704,123.64/49,959.87
6. Step 6: Final answer
   x = 39,665.92