Finding the Fourth Proportional to 501,303.83, 691,789.82 and 283,508.69

Step by Step Solution

1. Step 1: Write the proportion equation
   501,303.83 : 691,789.82 = 283,508.69 : x
2. Step 2: Convert to fraction form
   501,303.83/691,789.82 = 283,508.69/x
3. Step 3: Cross multiply
   501,303.83x = 691,789.82 × 283,508.69
4. Step 4: Simplify right side
   501,303.83x = 196,128,420,747.04
5. Step 5: Solve for x
   x = 196,128,420,747.04/501,303.83
6. Step 6: Final answer
   x = 391,236.63