Finding the Fourth Proportional to 1,103.86, 1,519.51 and 954.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.86 : 1,519.51 = 954.42 : x
2. Step 2: Convert to fraction form
   1,103.86/1,519.51 = 954.42/x
3. Step 3: Cross multiply
   1,103.86x = 1,519.51 × 954.42
4. Step 4: Simplify right side
   1,103.86x = 1,450,250.73
5. Step 5: Solve for x
   x = 1,450,250.73/1,103.86
6. Step 6: Final answer
   x = 1,313.80