Finding the Fourth Proportional to 1,435.61, 1,982.09 and 1,103.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.61 : 1,982.09 = 1,103.42 : x
2. Step 2: Convert to fraction form
   1,435.61/1,982.09 = 1,103.42/x
3. Step 3: Cross multiply
   1,435.61x = 1,982.09 × 1,103.42
4. Step 4: Simplify right side
   1,435.61x = 2,187,077.75
5. Step 5: Solve for x
   x = 2,187,077.75/1,435.61
6. Step 6: Final answer
   x = 1,523.45