Finding the Fourth Proportional to 1,105.22, 1,524.69 and 662.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.22 : 1,524.69 = 662.35 : x
2. Step 2: Convert to fraction form
   1,105.22/1,524.69 = 662.35/x
3. Step 3: Cross multiply
   1,105.22x = 1,524.69 × 662.35
4. Step 4: Simplify right side
   1,105.22x = 1,009,873.08
5. Step 5: Solve for x
   x = 1,009,873.08/1,105.22
6. Step 6: Final answer
   x = 913.73