Finding the Fourth Proportional to 2,553.64, 3,524.03 and 1,434.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.64 : 3,524.03 = 1,434.62 : x
2. Step 2: Convert to fraction form
   2,553.64/3,524.03 = 1,434.62/x
3. Step 3: Cross multiply
   2,553.64x = 3,524.03 × 1,434.62
4. Step 4: Simplify right side
   2,553.64x = 5,055,656.32
5. Step 5: Solve for x
   x = 5,055,656.32/2,553.64
6. Step 6: Final answer
   x = 1,979.79