Finding the Fourth Proportional to 2,141.55, 3,209.25 and 1,409.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.55 : 3,209.25 = 1,409.59 : x
2. Step 2: Convert to fraction form
   2,141.55/3,209.25 = 1,409.59/x
3. Step 3: Cross multiply
   2,141.55x = 3,209.25 × 1,409.59
4. Step 4: Simplify right side
   2,141.55x = 4,523,728.52
5. Step 5: Solve for x
   x = 4,523,728.52/2,141.55
6. Step 6: Final answer
   x = 2,112.36