Finding the Fourth Proportional to 5,776.43, 7,971.46 and 3,123.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,776.43 : 7,971.46 = 3,123.83 : x
2. Step 2: Convert to fraction form
   5,776.43/7,971.46 = 3,123.83/x
3. Step 3: Cross multiply
   5,776.43x = 7,971.46 × 3,123.83
4. Step 4: Simplify right side
   5,776.43x = 24,901,515.58
5. Step 5: Solve for x
   x = 24,901,515.58/5,776.43
6. Step 6: Final answer
   x = 4,310.88