Finding the Fourth Proportional to 476,185.49, 657,092.55 and 282,559.83

Step by Step Solution

1. Step 1: Write the proportion equation
   476,185.49 : 657,092.55 = 282,559.83 : x
2. Step 2: Convert to fraction form
   476,185.49/657,092.55 = 282,559.83/x
3. Step 3: Cross multiply
   476,185.49x = 657,092.55 × 282,559.83
4. Step 4: Simplify right side
   476,185.49x = 185,667,959,222.27
5. Step 5: Solve for x
   x = 185,667,959,222.27/476,185.49
6. Step 6: Final answer
   x = 389,906.80