Finding the Fourth Proportional to 161,330.24, 222,626.59 and 89,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   161,330.24 : 222,626.59 = 89,708.72 : x
2. Step 2: Convert to fraction form
   161,330.24/222,626.59 = 89,708.72/x
3. Step 3: Cross multiply
   161,330.24x = 222,626.59 × 89,708.72
4. Step 4: Simplify right side
   161,330.24x = 19,971,546,426.86
5. Step 5: Solve for x
   x = 19,971,546,426.86/161,330.24
6. Step 6: Final answer
   x = 123,792.95