Finding the Fourth Proportional to 1,104.49, 1,523.91 and 662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.49 : 1,523.91 = 662.50 : x
2. Step 2: Convert to fraction form
   1,104.49/1,523.91 = 662.50/x
3. Step 3: Cross multiply
   1,104.49x = 1,523.91 × 662.50
4. Step 4: Simplify right side
   1,104.49x = 1,009,590.38
5. Step 5: Solve for x
   x = 1,009,590.38/1,104.49
6. Step 6: Final answer
   x = 914.08