Finding the Fourth Proportional to 2,090,707,456.12, 3,136,047,233.55 and 847,119,572.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090,707,456.12 : 3,136,047,233.55 = 847,119,572.89 : x
2. Step 2: Convert to fraction form
   2,090,707,456.12/3,136,047,233.55 = 847,119,572.89/x
3. Step 3: Cross multiply
   2,090,707,456.12x = 3,136,047,233.55 × 847,119,572.89
4. Step 4: Simplify right side
   2,090,707,456.12x = 2,656,606,993,047,741,952
5. Step 5: Solve for x
   x = 2,656,606,993,047,741,952/2,090,707,456.12
6. Step 6: Final answer
   x = 1,270,673,706.77