Finding the Fourth Proportional to 1,104.62, 1,524.42 and 607.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.62 : 1,524.42 = 607.31 : x
2. Step 2: Convert to fraction form
   1,104.62/1,524.42 = 607.31/x
3. Step 3: Cross multiply
   1,104.62x = 1,524.42 × 607.31
4. Step 4: Simplify right side
   1,104.62x = 925,799.32
5. Step 5: Solve for x
   x = 925,799.32/1,104.62
6. Step 6: Final answer
   x = 838.11