Finding the Fourth Proportional to 410,890.30, 567,017.74 and 229,603.72

Step by Step Solution

1. Step 1: Write the proportion equation
   410,890.30 : 567,017.74 = 229,603.72 : x
2. Step 2: Convert to fraction form
   410,890.30/567,017.74 = 229,603.72/x
3. Step 3: Cross multiply
   410,890.30x = 567,017.74 × 229,603.72
4. Step 4: Simplify right side
   410,890.30x = 130,189,382,645.83
5. Step 5: Solve for x
   x = 130,189,382,645.83/410,890.30
6. Step 6: Final answer
   x = 316,847.06