Finding the Fourth Proportional to 475,789, 656,588.82 and 263,821

Step by Step Solution

1. Step 1: Write the proportion equation
   475,789 : 656,588.82 = 263,821 : x
2. Step 2: Convert to fraction form
   475,789/656,588.82 = 263,821/x
3. Step 3: Cross multiply
   475,789x = 656,588.82 × 263,821
4. Step 4: Simplify right side
   475,789x = 173,221,919,081.22
5. Step 5: Solve for x
   x = 173,221,919,081.22/475,789
6. Step 6: Final answer
   x = 364,072.98