Finding the Fourth Proportional to 2,010,091,928, 3,015,138,993.60 and 918,809,720.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,091,928 : 3,015,138,993.60 = 918,809,720.96 : x
2. Step 2: Convert to fraction form
   2,010,091,928/3,015,138,993.60 = 918,809,720.96/x
3. Step 3: Cross multiply
   2,010,091,928x = 3,015,138,993.60 × 918,809,720.96
4. Step 4: Simplify right side
   2,010,091,928x = 2,770,339,017,365,231,104
5. Step 5: Solve for x
   x = 2,770,339,017,365,231,104/2,010,091,928
6. Step 6: Final answer
   x = 1,378,215,084.98