Finding the Fourth Proportional to 2,399,212,270.72, 3,598,976,315.56 and 628,626,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399,212,270.72 : 3,598,976,315.56 = 628,626,344.72 : x
2. Step 2: Convert to fraction form
   2,399,212,270.72/3,598,976,315.56 = 628,626,344.72/x
3. Step 3: Cross multiply
   2,399,212,270.72x = 3,598,976,315.56 × 628,626,344.72
4. Step 4: Simplify right side
   2,399,212,270.72x = 2,262,411,325,984,336,128
5. Step 5: Solve for x
   x = 2,262,411,325,984,336,128/2,399,212,270.72
6. Step 6: Final answer
   x = 942,980,891.52