Finding the Fourth Proportional to 161,081.69, 222,285.54 and 96,586.53

Step by Step Solution

1. Step 1: Write the proportion equation
   161,081.69 : 222,285.54 = 96,586.53 : x
2. Step 2: Convert to fraction form
   161,081.69/222,285.54 = 96,586.53/x
3. Step 3: Cross multiply
   161,081.69x = 222,285.54 × 96,586.53
4. Step 4: Simplify right side
   161,081.69x = 21,469,788,180.60
5. Step 5: Solve for x
   x = 21,469,788,180.60/161,081.69
6. Step 6: Final answer
   x = 133,285.09