Finding the Fourth Proportional to 8,424,606,858.40, 12,633,929,557.18 and 2,447,489,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,424,606,858.40 : 12,633,929,557.18 = 2,447,489,513.31 : x
2. Step 2: Convert to fraction form
   8,424,606,858.40/12,633,929,557.18 = 2,447,489,513.31/x
3. Step 3: Cross multiply
   8,424,606,858.40x = 12,633,929,557.18 × 2,447,489,513.31
4. Step 4: Simplify right side
   8,424,606,858.40x = 30,921,410,103,095,300,096
5. Step 5: Solve for x
   x = 30,921,410,103,095,300,096/8,424,606,858.40
6. Step 6: Final answer
   x = 3,670,368,317.81