Finding the Fourth Proportional to 410,928.34, 567,081.88 and 229,640.27

Step by Step Solution

1. Step 1: Write the proportion equation
   410,928.34 : 567,081.88 = 229,640.27 : x
2. Step 2: Convert to fraction form
   410,928.34/567,081.88 = 229,640.27/x
3. Step 3: Cross multiply
   410,928.34x = 567,081.88 × 229,640.27
4. Step 4: Simplify right side
   410,928.34x = 130,224,836,035.31
5. Step 5: Solve for x
   x = 130,224,836,035.31/410,928.34
6. Step 6: Final answer
   x = 316,904.00