Finding the Fourth Proportional to 302,111.89, 416,906.07 and 166,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   302,111.89 : 416,906.07 = 166,145.82 : x
2. Step 2: Convert to fraction form
   302,111.89/416,906.07 = 166,145.82/x
3. Step 3: Cross multiply
   302,111.89x = 416,906.07 × 166,145.82
4. Step 4: Simplify right side
   302,111.89x = 69,267,200,863.13
5. Step 5: Solve for x
   x = 69,267,200,863.13/302,111.89
6. Step 6: Final answer
   x = 229,276.65