Finding the Fourth Proportional to 3,601.86, 5,405.55 and 1,411.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.86 : 5,405.55 = 1,411.14 : x
2. Step 2: Convert to fraction form
   3,601.86/5,405.55 = 1,411.14/x
3. Step 3: Cross multiply
   3,601.86x = 5,405.55 × 1,411.14
4. Step 4: Simplify right side
   3,601.86x = 7,627,987.83
5. Step 5: Solve for x
   x = 7,627,987.83/3,601.86
6. Step 6: Final answer
   x = 2,117.79