Finding the Fourth Proportional to 1,105.02, 1,524.15 and 957.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.02 : 1,524.15 = 957.39 : x
2. Step 2: Convert to fraction form
   1,105.02/1,524.15 = 957.39/x
3. Step 3: Cross multiply
   1,105.02x = 1,524.15 × 957.39
4. Step 4: Simplify right side
   1,105.02x = 1,459,205.97
5. Step 5: Solve for x
   x = 1,459,205.97/1,105.02
6. Step 6: Final answer
   x = 1,320.52