Finding the Fourth Proportional to 161,190.12, 222,470.72 and 93,196.28

Step by Step Solution

1. Step 1: Write the proportion equation
   161,190.12 : 222,470.72 = 93,196.28 : x
2. Step 2: Convert to fraction form
   161,190.12/222,470.72 = 93,196.28/x
3. Step 3: Cross multiply
   161,190.12x = 222,470.72 × 93,196.28
4. Step 4: Simplify right side
   161,190.12x = 20,733,443,512.92
5. Step 5: Solve for x
   x = 20,733,443,512.92/161,190.12
6. Step 6: Final answer
   x = 128,627.26