Finding the Fourth Proportional to 676,570.96, 933,667.85 and 404,638.82

Step by Step Solution

1. Step 1: Write the proportion equation
   676,570.96 : 933,667.85 = 404,638.82 : x
2. Step 2: Convert to fraction form
   676,570.96/933,667.85 = 404,638.82/x
3. Step 3: Cross multiply
   676,570.96x = 933,667.85 × 404,638.82
4. Step 4: Simplify right side
   676,570.96x = 377,798,250,404.40
5. Step 5: Solve for x
   x = 377,798,250,404.40/676,570.96
6. Step 6: Final answer
   x = 558,401.52