Finding the Fourth Proportional to 81,981.72, 122,986.59 and 37,612.27

Step by Step Solution

1. Step 1: Write the proportion equation
   81,981.72 : 122,986.59 = 37,612.27 : x
2. Step 2: Convert to fraction form
   81,981.72/122,986.59 = 37,612.27/x
3. Step 3: Cross multiply
   81,981.72x = 122,986.59 × 37,612.27
4. Step 4: Simplify right side
   81,981.72x = 4,625,804,829.46
5. Step 5: Solve for x
   x = 4,625,804,829.46/81,981.72
6. Step 6: Final answer
   x = 56,424.83