Finding the Fourth Proportional to 1,981,979.69, 2,972,329.83 and 561,654.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981,979.69 : 2,972,329.83 = 561,654.41 : x
2. Step 2: Convert to fraction form
   1,981,979.69/2,972,329.83 = 561,654.41/x
3. Step 3: Cross multiply
   1,981,979.69x = 2,972,329.83 × 561,654.41
4. Step 4: Simplify right side
   1,981,979.69x = 1,669,422,142,132.40
5. Step 5: Solve for x
   x = 1,669,422,142,132.40/1,981,979.69
6. Step 6: Final answer
   x = 842,300.33