Finding the Fourth Proportional to 80,485.06, 111,076.41 and 46,961.86

Step by Step Solution

1. Step 1: Write the proportion equation
   80,485.06 : 111,076.41 = 46,961.86 : x
2. Step 2: Convert to fraction form
   80,485.06/111,076.41 = 46,961.86/x
3. Step 3: Cross multiply
   80,485.06x = 111,076.41 × 46,961.86
4. Step 4: Simplify right side
   80,485.06x = 5,216,354,815.72
5. Step 5: Solve for x
   x = 5,216,354,815.72/80,485.06
6. Step 6: Final answer
   x = 64,811.47