Finding the Fourth Proportional to 3,669.54, 5,506.56 and 2,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.54 : 5,506.56 = 2,111.52 : x
2. Step 2: Convert to fraction form
   3,669.54/5,506.56 = 2,111.52/x
3. Step 3: Cross multiply
   3,669.54x = 5,506.56 × 2,111.52
4. Step 4: Simplify right side
   3,669.54x = 11,627,211.57
5. Step 5: Solve for x
   x = 11,627,211.57/3,669.54
6. Step 6: Final answer
   x = 3,168.57