Finding the Fourth Proportional to 2,554.02, 3,524.49 and 1,434.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.02 : 3,524.49 = 1,434.78 : x
2. Step 2: Convert to fraction form
   2,554.02/3,524.49 = 1,434.78/x
3. Step 3: Cross multiply
   2,554.02x = 3,524.49 × 1,434.78
4. Step 4: Simplify right side
   2,554.02x = 5,056,867.76
5. Step 5: Solve for x
   x = 5,056,867.76/2,554.02
6. Step 6: Final answer
   x = 1,979.96