Finding the Fourth Proportional to 6,157,456,239.98, 8,497,356,492.59 and 3,617,245,272.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,157,456,239.98 : 8,497,356,492.59 = 3,617,245,272.21 : x
2. Step 2: Convert to fraction form
   6,157,456,239.98/8,497,356,492.59 = 3,617,245,272.21/x
3. Step 3: Cross multiply
   6,157,456,239.98x = 8,497,356,492.59 × 3,617,245,272.21
4. Step 4: Simplify right side
   6,157,456,239.98x = 30,737,022,599,151,300,608
5. Step 5: Solve for x
   x = 30,737,022,599,151,300,608/6,157,456,239.98
6. Step 6: Final answer
   x = 4,991,837,765.67