Finding the Fourth Proportional to 302,659.72, 417,654.27 and 173,591.49

Step by Step Solution

1. Step 1: Write the proportion equation
   302,659.72 : 417,654.27 = 173,591.49 : x
2. Step 2: Convert to fraction form
   302,659.72/417,654.27 = 173,591.49/x
3. Step 3: Cross multiply
   302,659.72x = 417,654.27 × 173,591.49
4. Step 4: Simplify right side
   302,659.72x = 72,501,227,034.16
5. Step 5: Solve for x
   x = 72,501,227,034.16/302,659.72
6. Step 6: Final answer
   x = 239,547.00