Finding the Fourth Proportional to 3,828.86, 5,283.83 and 2,150.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828.86 : 5,283.83 = 2,150.43 : x
2. Step 2: Convert to fraction form
   3,828.86/5,283.83 = 2,150.43/x
3. Step 3: Cross multiply
   3,828.86x = 5,283.83 × 2,150.43
4. Step 4: Simplify right side
   3,828.86x = 11,362,506.55
5. Step 5: Solve for x
   x = 11,362,506.55/3,828.86
6. Step 6: Final answer
   x = 2,967.60