Finding the Fourth Proportional to 161,665.02, 222,866.37 and 113,769.54

Step by Step Solution

1. Step 1: Write the proportion equation
   161,665.02 : 222,866.37 = 113,769.54 : x
2. Step 2: Convert to fraction form
   161,665.02/222,866.37 = 113,769.54/x
3. Step 3: Cross multiply
   161,665.02x = 222,866.37 × 113,769.54
4. Step 4: Simplify right side
   161,665.02x = 25,355,404,396.37
5. Step 5: Solve for x
   x = 25,355,404,396.37/161,665.02
6. Step 6: Final answer
   x = 156,839.15