Finding the Fourth Proportional to 839,162.43, 1,158,021.77 and 476,601.57

Step by Step Solution

1. Step 1: Write the proportion equation
   839,162.43 : 1,158,021.77 = 476,601.57 : x
2. Step 2: Convert to fraction form
   839,162.43/1,158,021.77 = 476,601.57/x
3. Step 3: Cross multiply
   839,162.43x = 1,158,021.77 × 476,601.57
4. Step 4: Simplify right side
   839,162.43x = 551,914,991,293.17
5. Step 5: Solve for x
   x = 551,914,991,293.17/839,162.43
6. Step 6: Final answer
   x = 657,697.45