Finding the Fourth Proportional to 80,871.27, 111,603.41 and 46,421.57

Step by Step Solution

1. Step 1: Write the proportion equation
   80,871.27 : 111,603.41 = 46,421.57 : x
2. Step 2: Convert to fraction form
   80,871.27/111,603.41 = 46,421.57/x
3. Step 3: Cross multiply
   80,871.27x = 111,603.41 × 46,421.57
4. Step 4: Simplify right side
   80,871.27x = 5,180,804,719.43
5. Step 5: Solve for x
   x = 5,180,804,719.43/80,871.27
6. Step 6: Final answer
   x = 64,062.36