Finding the Fourth Proportional to 302,150.06, 416,978.98 and 166,196.66

Step by Step Solution

1. Step 1: Write the proportion equation
   302,150.06 : 416,978.98 = 166,196.66 : x
2. Step 2: Convert to fraction form
   302,150.06/416,978.98 = 166,196.66/x
3. Step 3: Cross multiply
   302,150.06x = 416,978.98 × 166,196.66
4. Step 4: Simplify right side
   302,150.06x = 69,300,511,265.82
5. Step 5: Solve for x
   x = 69,300,511,265.82/302,150.06
6. Step 6: Final answer
   x = 229,357.93