Finding the Fourth Proportional to 2,065.10, 2,849.28 and 1,434.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.10 : 2,849.28 = 1,434.92 : x
2. Step 2: Convert to fraction form
   2,065.10/2,849.28 = 1,434.92/x
3. Step 3: Cross multiply
   2,065.10x = 2,849.28 × 1,434.92
4. Step 4: Simplify right side
   2,065.10x = 4,088,469.23
5. Step 5: Solve for x
   x = 4,088,469.23/2,065.10
6. Step 6: Final answer
   x = 1,979.80