Finding the Fourth Proportional to 80,638.87, 111,304.83 and 46,670.32

Step by Step Solution

1. Step 1: Write the proportion equation
   80,638.87 : 111,304.83 = 46,670.32 : x
2. Step 2: Convert to fraction form
   80,638.87/111,304.83 = 46,670.32/x
3. Step 3: Cross multiply
   80,638.87x = 111,304.83 × 46,670.32
4. Step 4: Simplify right side
   80,638.87x = 5,194,632,033.65
5. Step 5: Solve for x
   x = 5,194,632,033.65/80,638.87
6. Step 6: Final answer
   x = 64,418.46