Finding the Fourth Proportional to 689,020.02, 950,890.69 and 383,164.83

Step by Step Solution

1. Step 1: Write the proportion equation
   689,020.02 : 950,890.69 = 383,164.83 : x
2. Step 2: Convert to fraction form
   689,020.02/950,890.69 = 383,164.83/x
3. Step 3: Cross multiply
   689,020.02x = 950,890.69 × 383,164.83
4. Step 4: Simplify right side
   689,020.02x = 364,347,870,061.39
5. Step 5: Solve for x
   x = 364,347,870,061.39/689,020.02
6. Step 6: Final answer
   x = 528,791.41