Finding the Fourth Proportional to 1,105.31, 1,524.69 and 662.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.31 : 1,524.69 = 662.95 : x
2. Step 2: Convert to fraction form
   1,105.31/1,524.69 = 662.95/x
3. Step 3: Cross multiply
   1,105.31x = 1,524.69 × 662.95
4. Step 4: Simplify right side
   1,105.31x = 1,010,793.24
5. Step 5: Solve for x
   x = 1,010,793.24/1,105.31
6. Step 6: Final answer
   x = 914.49