Finding the Fourth Proportional to 861,559.72, 1,189,063.94 and 494,180.16

Step by Step Solution

1. Step 1: Write the proportion equation
   861,559.72 : 1,189,063.94 = 494,180.16 : x
2. Step 2: Convert to fraction form
   861,559.72/1,189,063.94 = 494,180.16/x
3. Step 3: Cross multiply
   861,559.72x = 1,189,063.94 × 494,180.16
4. Step 4: Simplify right side
   861,559.72x = 587,611,808,119.43
5. Step 5: Solve for x
   x = 587,611,808,119.43/861,559.72
6. Step 6: Final answer
   x = 682,032.59