Finding the Fourth Proportional to 1,435.66, 1,982.31 and 1,103.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.66 : 1,982.31 = 1,103.56 : x
2. Step 2: Convert to fraction form
   1,435.66/1,982.31 = 1,103.56/x
3. Step 3: Cross multiply
   1,435.66x = 1,982.31 × 1,103.56
4. Step 4: Simplify right side
   1,435.66x = 2,187,598.02
5. Step 5: Solve for x
   x = 2,187,598.02/1,435.66
6. Step 6: Final answer
   x = 1,523.76