Finding the Fourth Proportional to 161,375.87, 222,709.83 and 89,762.56

Step by Step Solution

1. Step 1: Write the proportion equation
   161,375.87 : 222,709.83 = 89,762.56 : x
2. Step 2: Convert to fraction form
   161,375.87/222,709.83 = 89,762.56/x
3. Step 3: Cross multiply
   161,375.87x = 222,709.83 × 89,762.56
4. Step 4: Simplify right side
   161,375.87x = 19,991,004,477.96
5. Step 5: Solve for x
   x = 19,991,004,477.96/161,375.87
6. Step 6: Final answer
   x = 123,878.52