Finding the Fourth Proportional to 4,283.73, 5,921.52 and 4,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,283.73 : 5,921.52 = 4,109.31 : x
2. Step 2: Convert to fraction form
   4,283.73/5,921.52 = 4,109.31/x
3. Step 3: Cross multiply
   4,283.73x = 5,921.52 × 4,109.31
4. Step 4: Simplify right side
   4,283.73x = 24,333,361.35
5. Step 5: Solve for x
   x = 24,333,361.35/4,283.73
6. Step 6: Final answer
   x = 5,680.41