Finding the Fourth Proportional to 483,002.69, 727,975.78 and 416,339.31

Step by Step Solution

1. Step 1: Write the proportion equation
   483,002.69 : 727,975.78 = 416,339.31 : x
2. Step 2: Convert to fraction form
   483,002.69/727,975.78 = 416,339.31/x
3. Step 3: Cross multiply
   483,002.69x = 727,975.78 × 416,339.31
4. Step 4: Simplify right side
   483,002.69x = 303,084,937,192.25
5. Step 5: Solve for x
   x = 303,084,937,192.25/483,002.69
6. Step 6: Final answer
   x = 627,501.56