Finding the Fourth Proportional to 1,104.51, 1,524.06 and 662.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.51 : 1,524.06 = 662.31 : x
2. Step 2: Convert to fraction form
   1,104.51/1,524.06 = 662.31/x
3. Step 3: Cross multiply
   1,104.51x = 1,524.06 × 662.31
4. Step 4: Simplify right side
   1,104.51x = 1,009,400.18
5. Step 5: Solve for x
   x = 1,009,400.18/1,104.51
6. Step 6: Final answer
   x = 913.89