Finding the Fourth Proportional to 1,103.94, 1,512.41 and 1,062.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.94 : 1,512.41 = 1,062.43 : x
2. Step 2: Convert to fraction form
   1,103.94/1,512.41 = 1,062.43/x
3. Step 3: Cross multiply
   1,103.94x = 1,512.41 × 1,062.43
4. Step 4: Simplify right side
   1,103.94x = 1,606,829.76
5. Step 5: Solve for x
   x = 1,606,829.76/1,103.94
6. Step 6: Final answer
   x = 1,455.54