Finding the Fourth Proportional to 870,667.82, 1,201,481.17 and 483,507.80

Step by Step Solution

1. Step 1: Write the proportion equation
   870,667.82 : 1,201,481.17 = 483,507.80 : x
2. Step 2: Convert to fraction form
   870,667.82/1,201,481.17 = 483,507.80/x
3. Step 3: Cross multiply
   870,667.82x = 1,201,481.17 × 483,507.80
4. Step 4: Simplify right side
   870,667.82x = 580,925,514,537.51
5. Step 5: Solve for x
   x = 580,925,514,537.51/870,667.82
6. Step 6: Final answer
   x = 667,218.31