Finding the Fourth Proportional to 81,550.42, 122,377.60 and 37,181.60

Step by Step Solution

1. Step 1: Write the proportion equation
   81,550.42 : 122,377.60 = 37,181.60 : x
2. Step 2: Convert to fraction form
   81,550.42/122,377.60 = 37,181.60/x
3. Step 3: Cross multiply
   81,550.42x = 122,377.60 × 37,181.60
4. Step 4: Simplify right side
   81,550.42x = 4,550,194,972.16
5. Step 5: Solve for x
   x = 4,550,194,972.16/81,550.42
6. Step 6: Final answer
   x = 55,796.09