Finding the Fourth Proportional to 804,404.10, 1,206,587.69 and 404,937.62

Step by Step Solution

1. Step 1: Write the proportion equation
   804,404.10 : 1,206,587.69 = 404,937.62 : x
2. Step 2: Convert to fraction form
   804,404.10/1,206,587.69 = 404,937.62/x
3. Step 3: Cross multiply
   804,404.10x = 1,206,587.69 × 404,937.62
4. Step 4: Simplify right side
   804,404.10x = 488,592,739,452.27
5. Step 5: Solve for x
   x = 488,592,739,452.27/804,404.10
6. Step 6: Final answer
   x = 607,397.13