Finding the Fourth Proportional to 161,114.72, 222,338.43 and 88,522.29

Step by Step Solution

1. Step 1: Write the proportion equation
   161,114.72 : 222,338.43 = 88,522.29 : x
2. Step 2: Convert to fraction form
   161,114.72/222,338.43 = 88,522.29/x
3. Step 3: Cross multiply
   161,114.72x = 222,338.43 × 88,522.29
4. Step 4: Simplify right side
   161,114.72x = 19,681,906,978.60
5. Step 5: Solve for x
   x = 19,681,906,978.60/161,114.72
6. Step 6: Final answer
   x = 122,160.82