Finding the Fourth Proportional to 1,434.03, 1,982.61 and 1,103.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.03 : 1,982.61 = 1,103.55 : x
2. Step 2: Convert to fraction form
   1,434.03/1,982.61 = 1,103.55/x
3. Step 3: Cross multiply
   1,434.03x = 1,982.61 × 1,103.55
4. Step 4: Simplify right side
   1,434.03x = 2,187,909.27
5. Step 5: Solve for x
   x = 2,187,909.27/1,434.03
6. Step 6: Final answer
   x = 1,525.71