Finding the Fourth Proportional to 848,238, 1,170,570.87 and 485,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   848,238 : 1,170,570.87 = 485,667.42 : x
2. Step 2: Convert to fraction form
   848,238/1,170,570.87 = 485,667.42/x
3. Step 3: Cross multiply
   848,238x = 1,170,570.87 × 485,667.42
4. Step 4: Simplify right side
   848,238x = 568,508,134,360.06
5. Step 5: Solve for x
   x = 568,508,134,360.06/848,238
6. Step 6: Final answer
   x = 670,222.43