Finding the Fourth Proportional to 404,531.52, 607,584.72 and 329,706.96

Step by Step Solution

1. Step 1: Write the proportion equation
   404,531.52 : 607,584.72 = 329,706.96 : x
2. Step 2: Convert to fraction form
   404,531.52/607,584.72 = 329,706.96/x
3. Step 3: Cross multiply
   404,531.52x = 607,584.72 × 329,706.96
4. Step 4: Simplify right side
   404,531.52x = 200,324,910,973.65
5. Step 5: Solve for x
   x = 200,324,910,973.65/404,531.52
6. Step 6: Final answer
   x = 495,202.23