Finding the Fourth Proportional to 1,104.42, 1,524.12 and 607.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.42 : 1,524.12 = 607.05 : x
2. Step 2: Convert to fraction form
   1,104.42/1,524.12 = 607.05/x
3. Step 3: Cross multiply
   1,104.42x = 1,524.12 × 607.05
4. Step 4: Simplify right side
   1,104.42x = 925,217.05
5. Step 5: Solve for x
   x = 925,217.05/1,104.42
6. Step 6: Final answer
   x = 837.74