Finding the Fourth Proportional to 161,550.87, 222,929.46 and 89,929.05

Step by Step Solution

1. Step 1: Write the proportion equation
   161,550.87 : 222,929.46 = 89,929.05 : x
2. Step 2: Convert to fraction form
   161,550.87/222,929.46 = 89,929.05/x
3. Step 3: Cross multiply
   161,550.87x = 222,929.46 × 89,929.05
4. Step 4: Simplify right side
   161,550.87x = 20,047,834,554.81
5. Step 5: Solve for x
   x = 20,047,834,554.81/161,550.87
6. Step 6: Final answer
   x = 124,096.11