Finding the Fourth Proportional to 80,845.38, 111,567.78 and 46,856.21

Step by Step Solution

1. Step 1: Write the proportion equation
   80,845.38 : 111,567.78 = 46,856.21 : x
2. Step 2: Convert to fraction form
   80,845.38/111,567.78 = 46,856.21/x
3. Step 3: Cross multiply
   80,845.38x = 111,567.78 × 46,856.21
4. Step 4: Simplify right side
   80,845.38x = 5,227,642,771.07
5. Step 5: Solve for x
   x = 5,227,642,771.07/80,845.38
6. Step 6: Final answer
   x = 64,662.23