Finding the Fourth Proportional to 81,048.24, 111,855 and 45,250.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,048.24 : 111,855 = 45,250.56 : x
2. Step 2: Convert to fraction form
   81,048.24/111,855 = 45,250.56/x
3. Step 3: Cross multiply
   81,048.24x = 111,855 × 45,250.56
4. Step 4: Simplify right side
   81,048.24x = 5,061,501,388.80
5. Step 5: Solve for x
   x = 5,061,501,388.80/81,048.24
6. Step 6: Final answer
   x = 62,450.48