Finding the Fourth Proportional to 3,604.53, 5,406.78 and 1,411.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604.53 : 5,406.78 = 1,411.71 : x
2. Step 2: Convert to fraction form
   3,604.53/5,406.78 = 1,411.71/x
3. Step 3: Cross multiply
   3,604.53x = 5,406.78 × 1,411.71
4. Step 4: Simplify right side
   3,604.53x = 7,632,805.39
5. Step 5: Solve for x
   x = 7,632,805.39/3,604.53
6. Step 6: Final answer
   x = 2,117.56