Finding the Fourth Proportional to 2,141.42, 3,209.39 and 1,411.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.42 : 3,209.39 = 1,411.51 : x
2. Step 2: Convert to fraction form
   2,141.42/3,209.39 = 1,411.51/x
3. Step 3: Cross multiply
   2,141.42x = 3,209.39 × 1,411.51
4. Step 4: Simplify right side
   2,141.42x = 4,530,086.08
5. Step 5: Solve for x
   x = 4,530,086.08/2,141.42
6. Step 6: Final answer
   x = 2,115.46