Finding the Fourth Proportional to 8,428,830,571.82, 12,644,023,043.61 and 2,756,448,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,428,830,571.82 : 12,644,023,043.61 = 2,756,448,514.50 : x
2. Step 2: Convert to fraction form
   8,428,830,571.82/12,644,023,043.61 = 2,756,448,514.50/x
3. Step 3: Cross multiply
   8,428,830,571.82x = 12,644,023,043.61 × 2,756,448,514.50
4. Step 4: Simplify right side
   8,428,830,571.82x = 34,852,598,535,862,554,624
5. Step 5: Solve for x
   x = 34,852,598,535,862,554,624/8,428,830,571.82
6. Step 6: Final answer
   x = 4,134,926,931.91