Finding the Fourth Proportional to 3,411.37, 5,118 and 1,436.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.37 : 5,118 = 1,436.52 : x
2. Step 2: Convert to fraction form
   3,411.37/5,118 = 1,436.52/x
3. Step 3: Cross multiply
   3,411.37x = 5,118 × 1,436.52
4. Step 4: Simplify right side
   3,411.37x = 7,352,109.36
5. Step 5: Solve for x
   x = 7,352,109.36/3,411.37
6. Step 6: Final answer
   x = 2,155.18