Finding the Fourth Proportional to 2,768,849,735.96, 3,821,012,821.98 and 1,515,786,591.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768,849,735.96 : 3,821,012,821.98 = 1,515,786,591.80 : x
2. Step 2: Convert to fraction form
   2,768,849,735.96/3,821,012,821.98 = 1,515,786,591.80/x
3. Step 3: Cross multiply
   2,768,849,735.96x = 3,821,012,821.98 × 1,515,786,591.80
4. Step 4: Simplify right side
   2,768,849,735.96x = 5,791,840,002,653,164,544
5. Step 5: Solve for x
   x = 5,791,840,002,653,164,544/2,768,849,735.96
6. Step 6: Final answer
   x = 2,091,785,598.70