Finding the Fourth Proportional to 1,078,852.32, 1,617,857.82 and 404,566.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,852.32 : 1,617,857.82 = 404,566.20 : x
2. Step 2: Convert to fraction form
   1,078,852.32/1,617,857.82 = 404,566.20/x
3. Step 3: Cross multiply
   1,078,852.32x = 1,617,857.82 × 404,566.20
4. Step 4: Simplify right side
   1,078,852.32x = 654,530,590,377.68
5. Step 5: Solve for x
   x = 654,530,590,377.68/1,078,852.32
6. Step 6: Final answer
   x = 606,691.55