Finding the Fourth Proportional to 1,105.14, 1,524.45 and 662.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.14 : 1,524.45 = 662.79 : x
2. Step 2: Convert to fraction form
   1,105.14/1,524.45 = 662.79/x
3. Step 3: Cross multiply
   1,105.14x = 1,524.45 × 662.79
4. Step 4: Simplify right side
   1,105.14x = 1,010,390.22
5. Step 5: Solve for x
   x = 1,010,390.22/1,105.14
6. Step 6: Final answer
   x = 914.26