Finding the Fourth Proportional to 2,482.72, 3,425.28 and 1,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.72 : 3,425.28 = 1,434.72 : x
2. Step 2: Convert to fraction form
   2,482.72/3,425.28 = 1,434.72/x
3. Step 3: Cross multiply
   2,482.72x = 3,425.28 × 1,434.72
4. Step 4: Simplify right side
   2,482.72x = 4,914,317.72
5. Step 5: Solve for x
   x = 4,914,317.72/2,482.72
6. Step 6: Final answer
   x = 1,979.41