Finding the Fourth Proportional to 1,105.05, 1,524.34 and 662.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.05 : 1,524.34 = 662.18 : x
2. Step 2: Convert to fraction form
   1,105.05/1,524.34 = 662.18/x
3. Step 3: Cross multiply
   1,105.05x = 1,524.34 × 662.18
4. Step 4: Simplify right side
   1,105.05x = 1,009,387.46
5. Step 5: Solve for x
   x = 1,009,387.46/1,105.05
6. Step 6: Final answer
   x = 913.43