Finding the Fourth Proportional to 2,160.42, 2,981.61 and 1,414.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.42 : 2,981.61 = 1,414.56 : x
2. Step 2: Convert to fraction form
   2,160.42/2,981.61 = 1,414.56/x
3. Step 3: Cross multiply
   2,160.42x = 2,981.61 × 1,414.56
4. Step 4: Simplify right side
   2,160.42x = 4,217,677.42
5. Step 5: Solve for x
   x = 4,217,677.42/2,160.42
6. Step 6: Final answer
   x = 1,952.25