Finding the Fourth Proportional to 46,791.50, 64,574.89 and 30,864.67

Step by Step Solution

1. Step 1: Write the proportion equation
   46,791.50 : 64,574.89 = 30,864.67 : x
2. Step 2: Convert to fraction form
   46,791.50/64,574.89 = 30,864.67/x
3. Step 3: Cross multiply
   46,791.50x = 64,574.89 × 30,864.67
4. Step 4: Simplify right side
   46,791.50x = 1,993,082,431.54
5. Step 5: Solve for x
   x = 1,993,082,431.54/46,791.50
6. Step 6: Final answer
   x = 42,594.97