Finding the Fourth Proportional to 1,661,338.25, 2,292,647.71 and 897,391.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,338.25 : 2,292,647.71 = 897,391.82 : x
2. Step 2: Convert to fraction form
   1,661,338.25/2,292,647.71 = 897,391.82/x
3. Step 3: Cross multiply
   1,661,338.25x = 2,292,647.71 × 897,391.82
4. Step 4: Simplify right side
   1,661,338.25x = 2,057,403,301,095.73
5. Step 5: Solve for x
   x = 2,057,403,301,095.73/1,661,338.25
6. Step 6: Final answer
   x = 1,238,401.21