Finding the Fourth Proportional to 2,085,790, 2,878,390.20 and 1,131,934

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,790 : 2,878,390.20 = 1,131,934 : x
2. Step 2: Convert to fraction form
   2,085,790/2,878,390.20 = 1,131,934/x
3. Step 3: Cross multiply
   2,085,790x = 2,878,390.20 × 1,131,934
4. Step 4: Simplify right side
   2,085,790x = 3,258,147,732,646.80
5. Step 5: Solve for x
   x = 3,258,147,732,646.80/2,085,790
6. Step 6: Final answer
   x = 1,562,068.92