Finding the Fourth Proportional to 1,049.72, 1,448.53 and 607.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.72 : 1,448.53 = 607.54 : x
2. Step 2: Convert to fraction form
   1,049.72/1,448.53 = 607.54/x
3. Step 3: Cross multiply
   1,049.72x = 1,448.53 × 607.54
4. Step 4: Simplify right side
   1,049.72x = 880,039.92
5. Step 5: Solve for x
   x = 880,039.92/1,049.72
6. Step 6: Final answer
   x = 838.36