Finding the Fourth Proportional to 1,104.77, 1,524.59 and 607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.77 : 1,524.59 = 607.42 : x
2. Step 2: Convert to fraction form
   1,104.77/1,524.59 = 607.42/x
3. Step 3: Cross multiply
   1,104.77x = 1,524.59 × 607.42
4. Step 4: Simplify right side
   1,104.77x = 926,059.03
5. Step 5: Solve for x
   x = 926,059.03/1,104.77
6. Step 6: Final answer
   x = 838.24