Finding the Fourth Proportional to 1,897,039,874, 2,617,915,026.12 and 1,028,818,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897,039,874 : 2,617,915,026.12 = 1,028,818,946 : x
2. Step 2: Convert to fraction form
   1,897,039,874/2,617,915,026.12 = 1,028,818,946/x
3. Step 3: Cross multiply
   1,897,039,874x = 2,617,915,026.12 × 1,028,818,946
4. Step 4: Simplify right side
   1,897,039,874x = 2,693,360,577,890,340,864
5. Step 5: Solve for x
   x = 2,693,360,577,890,340,864/1,897,039,874
6. Step 6: Final answer
   x = 1,419,770,145.48