Finding the Fourth Proportional to 81,223.94, 111,986.27 and 52,495.27

Step by Step Solution

1. Step 1: Write the proportion equation
   81,223.94 : 111,986.27 = 52,495.27 : x
2. Step 2: Convert to fraction form
   81,223.94/111,986.27 = 52,495.27/x
3. Step 3: Cross multiply
   81,223.94x = 111,986.27 × 52,495.27
4. Step 4: Simplify right side
   81,223.94x = 5,878,749,479.94
5. Step 5: Solve for x
   x = 5,878,749,479.94/81,223.94
6. Step 6: Final answer
   x = 72,377.05