Finding the Fourth Proportional to 861,736.02, 1,189,242.81 and 479,754.42

Step by Step Solution

1. Step 1: Write the proportion equation
   861,736.02 : 1,189,242.81 = 479,754.42 : x
2. Step 2: Convert to fraction form
   861,736.02/1,189,242.81 = 479,754.42/x
3. Step 3: Cross multiply
   861,736.02x = 1,189,242.81 × 479,754.42
4. Step 4: Simplify right side
   861,736.02x = 570,544,494,550.72
5. Step 5: Solve for x
   x = 570,544,494,550.72/861,736.02
6. Step 6: Final answer
   x = 662,087.32