Finding the Fourth Proportional to 1,555,289, 2,146,298.82 and 839,897

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,289 : 2,146,298.82 = 839,897 : x
2. Step 2: Convert to fraction form
   1,555,289/2,146,298.82 = 839,897/x
3. Step 3: Cross multiply
   1,555,289x = 2,146,298.82 × 839,897
4. Step 4: Simplify right side
   1,555,289x = 1,802,669,940,021.54
5. Step 5: Solve for x
   x = 1,802,669,940,021.54/1,555,289
6. Step 6: Final answer
   x = 1,159,057.86