Finding the Fourth Proportional to 161,069.94, 222,276.69 and 89,450.10

Step by Step Solution

1. Step 1: Write the proportion equation
   161,069.94 : 222,276.69 = 89,450.10 : x
2. Step 2: Convert to fraction form
   161,069.94/222,276.69 = 89,450.10/x
3. Step 3: Cross multiply
   161,069.94x = 222,276.69 × 89,450.10
4. Step 4: Simplify right side
   161,069.94x = 19,882,672,148.17
5. Step 5: Solve for x
   x = 19,882,672,148.17/161,069.94
6. Step 6: Final answer
   x = 123,441.23