Finding the Fourth Proportional to 573,016.72, 859,113.38 and 269,239.58

Step by Step Solution

1. Step 1: Write the proportion equation
   573,016.72 : 859,113.38 = 269,239.58 : x
2. Step 2: Convert to fraction form
   573,016.72/859,113.38 = 269,239.58/x
3. Step 3: Cross multiply
   573,016.72x = 859,113.38 × 269,239.58
4. Step 4: Simplify right side
   573,016.72x = 231,307,325,603.58
5. Step 5: Solve for x
   x = 231,307,325,603.58/573,016.72
6. Step 6: Final answer
   x = 403,665.93