Finding the Fourth Proportional to 80,842.77, 111,563.16 and 46,857.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,842.77 : 111,563.16 = 46,857.72 : x
2. Step 2: Convert to fraction form
   80,842.77/111,563.16 = 46,857.72/x
3. Step 3: Cross multiply
   80,842.77x = 111,563.16 × 46,857.72
4. Step 4: Simplify right side
   80,842.77x = 5,227,595,313.60
5. Step 5: Solve for x
   x = 5,227,595,313.60/80,842.77
6. Step 6: Final answer
   x = 64,663.73