Finding the Fourth Proportional to 3,787.49, 5,673.27 and 3,531.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.49 : 5,673.27 = 3,531.17 : x
2. Step 2: Convert to fraction form
   3,787.49/5,673.27 = 3,531.17/x
3. Step 3: Cross multiply
   3,787.49x = 5,673.27 × 3,531.17
4. Step 4: Simplify right side
   3,787.49x = 20,033,280.83
5. Step 5: Solve for x
   x = 20,033,280.83/3,787.49
6. Step 6: Final answer
   x = 5,289.33