Finding the Fourth Proportional to 371,298.01, 557,066.96 and 171,749.30

Step by Step Solution

1. Step 1: Write the proportion equation
   371,298.01 : 557,066.96 = 171,749.30 : x
2. Step 2: Convert to fraction form
   371,298.01/557,066.96 = 171,749.30/x
3. Step 3: Cross multiply
   371,298.01x = 557,066.96 × 171,749.30
4. Step 4: Simplify right side
   371,298.01x = 95,675,859,469.83
5. Step 5: Solve for x
   x = 95,675,859,469.83/371,298.01
6. Step 6: Final answer
   x = 257,679.43