Finding the Fourth Proportional to 161,222.96, 241,834.12 and 42,894.28

Step by Step Solution

1. Step 1: Write the proportion equation
   161,222.96 : 241,834.12 = 42,894.28 : x
2. Step 2: Convert to fraction form
   161,222.96/241,834.12 = 42,894.28/x
3. Step 3: Cross multiply
   161,222.96x = 241,834.12 × 42,894.28
4. Step 4: Simplify right side
   161,222.96x = 10,373,300,456.83
5. Step 5: Solve for x
   x = 10,373,300,456.83/161,222.96
6. Step 6: Final answer
   x = 64,341.33