Finding the Fourth Proportional to 2,063.88, 2,849.58 and 1,434.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.88 : 2,849.58 = 1,434.78 : x
2. Step 2: Convert to fraction form
   2,063.88/2,849.58 = 1,434.78/x
3. Step 3: Cross multiply
   2,063.88x = 2,849.58 × 1,434.78
4. Step 4: Simplify right side
   2,063.88x = 4,088,520.39
5. Step 5: Solve for x
   x = 4,088,520.39/2,063.88
6. Step 6: Final answer
   x = 1,980.99