Finding the Fourth Proportional to 464,980.86, 641,976.15 and 283,797.83

Step by Step Solution

1. Step 1: Write the proportion equation
   464,980.86 : 641,976.15 = 283,797.83 : x
2. Step 2: Convert to fraction form
   464,980.86/641,976.15 = 283,797.83/x
3. Step 3: Cross multiply
   464,980.86x = 641,976.15 × 283,797.83
4. Step 4: Simplify right side
   464,980.86x = 182,191,435,071.87
5. Step 5: Solve for x
   x = 182,191,435,071.87/464,980.86
6. Step 6: Final answer
   x = 391,825.67