Finding the Fourth Proportional to 3,924.33, 5,880.83 and 2,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.33 : 5,880.83 = 2,189.31 : x
2. Step 2: Convert to fraction form
   3,924.33/5,880.83 = 2,189.31/x
3. Step 3: Cross multiply
   3,924.33x = 5,880.83 × 2,189.31
4. Step 4: Simplify right side
   3,924.33x = 12,874,948.98
5. Step 5: Solve for x
   x = 12,874,948.98/3,924.33
6. Step 6: Final answer
   x = 3,280.80