Finding the Fourth Proportional to 161,404.14, 222,750.06 and 89,789.46

Step by Step Solution

1. Step 1: Write the proportion equation
   161,404.14 : 222,750.06 = 89,789.46 : x
2. Step 2: Convert to fraction form
   161,404.14/222,750.06 = 89,789.46/x
3. Step 3: Cross multiply
   161,404.14x = 222,750.06 × 89,789.46
4. Step 4: Simplify right side
   161,404.14x = 20,000,607,602.37
5. Step 5: Solve for x
   x = 20,000,607,602.37/161,404.14
6. Step 6: Final answer
   x = 123,916.32