Finding the Fourth Proportional to 302,498.64, 417,429.72 and 166,506.12

Step by Step Solution

1. Step 1: Write the proportion equation
   302,498.64 : 417,429.72 = 166,506.12 : x
2. Step 2: Convert to fraction form
   302,498.64/417,429.72 = 166,506.12/x
3. Step 3: Cross multiply
   302,498.64x = 417,429.72 × 166,506.12
4. Step 4: Simplify right side
   302,498.64x = 69,504,603,049.89
5. Step 5: Solve for x
   x = 69,504,603,049.89/302,498.64
6. Step 6: Final answer
   x = 229,768.32