Finding the Fourth Proportional to 81,773.37, 122,571.90 and 39,564.27

Step by Step Solution

1. Step 1: Write the proportion equation
   81,773.37 : 122,571.90 = 39,564.27 : x
2. Step 2: Convert to fraction form
   81,773.37/122,571.90 = 39,564.27/x
3. Step 3: Cross multiply
   81,773.37x = 122,571.90 × 39,564.27
4. Step 4: Simplify right side
   81,773.37x = 4,849,467,746.01
5. Step 5: Solve for x
   x = 4,849,467,746.01/81,773.37
6. Step 6: Final answer
   x = 59,303.75