Finding the Fourth Proportional to 46,974.24, 64,826.46 and 28,107.72

Step by Step Solution

1. Step 1: Write the proportion equation
   46,974.24 : 64,826.46 = 28,107.72 : x
2. Step 2: Convert to fraction form
   46,974.24/64,826.46 = 28,107.72/x
3. Step 3: Cross multiply
   46,974.24x = 64,826.46 × 28,107.72
4. Step 4: Simplify right side
   46,974.24x = 1,822,123,986.27
5. Step 5: Solve for x
   x = 1,822,123,986.27/46,974.24
6. Step 6: Final answer
   x = 38,789.86