Finding the Fourth Proportional to 1,104.62, 1,524.30 and 662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.62 : 1,524.30 = 662.30 : x
2. Step 2: Convert to fraction form
   1,104.62/1,524.30 = 662.30/x
3. Step 3: Cross multiply
   1,104.62x = 1,524.30 × 662.30
4. Step 4: Simplify right side
   1,104.62x = 1,009,543.89
5. Step 5: Solve for x
   x = 1,009,543.89/1,104.62
6. Step 6: Final answer
   x = 913.93