Finding the Fourth Proportional to 930,978,413.73, 1,396,611,109.67 and 317,419,150.41

Step by Step Solution

1. Step 1: Write the proportion equation
   930,978,413.73 : 1,396,611,109.67 = 317,419,150.41 : x
2. Step 2: Convert to fraction form
   930,978,413.73/1,396,611,109.67 = 317,419,150.41/x
3. Step 3: Cross multiply
   930,978,413.73x = 1,396,611,109.67 × 317,419,150.41
4. Step 4: Simplify right side
   930,978,413.73x = 443,311,111,877,794,304
5. Step 5: Solve for x
   x = 443,311,111,877,794,304/930,978,413.73
6. Step 6: Final answer
   x = 476,177,648.53