Finding the Fourth Proportional to 2,119.56, 3,182.13 and 1,429.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.56 : 3,182.13 = 1,429.34 : x
2. Step 2: Convert to fraction form
   2,119.56/3,182.13 = 1,429.34/x
3. Step 3: Cross multiply
   2,119.56x = 3,182.13 × 1,429.34
4. Step 4: Simplify right side
   2,119.56x = 4,548,338.55
5. Step 5: Solve for x
   x = 4,548,338.55/2,119.56
6. Step 6: Final answer
   x = 2,145.89