Finding the Fourth Proportional to 80,846.38, 111,569.16 and 46,857.21

Step by Step Solution

1. Step 1: Write the proportion equation
   80,846.38 : 111,569.16 = 46,857.21 : x
2. Step 2: Convert to fraction form
   80,846.38/111,569.16 = 46,857.21/x
3. Step 3: Cross multiply
   80,846.38x = 111,569.16 × 46,857.21
4. Step 4: Simplify right side
   80,846.38x = 5,227,819,559.64
5. Step 5: Solve for x
   x = 5,227,819,559.64/80,846.38
6. Step 6: Final answer
   x = 64,663.62