Finding the Fourth Proportional to 3,688.72, 5,531.41 and 1,348.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.72 : 5,531.41 = 1,348.33 : x
2. Step 2: Convert to fraction form
   3,688.72/5,531.41 = 1,348.33/x
3. Step 3: Cross multiply
   3,688.72x = 5,531.41 × 1,348.33
4. Step 4: Simplify right side
   3,688.72x = 7,458,153.90
5. Step 5: Solve for x
   x = 7,458,153.90/3,688.72
6. Step 6: Final answer
   x = 2,021.88