Finding the Fourth Proportional to 682,667.88, 1,024,458.94 and 283,309.04

Step by Step Solution

1. Step 1: Write the proportion equation
   682,667.88 : 1,024,458.94 = 283,309.04 : x
2. Step 2: Convert to fraction form
   682,667.88/1,024,458.94 = 283,309.04/x
3. Step 3: Cross multiply
   682,667.88x = 1,024,458.94 × 283,309.04
4. Step 4: Simplify right side
   682,667.88x = 290,238,478,810.82
5. Step 5: Solve for x
   x = 290,238,478,810.82/682,667.88
6. Step 6: Final answer
   x = 425,153.27