Finding the Fourth Proportional to 1,104.72, 1,524.52 and 607.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.72 : 1,524.52 = 607.36 : x
2. Step 2: Convert to fraction form
   1,104.72/1,524.52 = 607.36/x
3. Step 3: Cross multiply
   1,104.72x = 1,524.52 × 607.36
4. Step 4: Simplify right side
   1,104.72x = 925,931.86
5. Step 5: Solve for x
   x = 925,931.86/1,104.72
6. Step 6: Final answer
   x = 838.16