Finding the Fourth Proportional to 1,049.51, 1,448.41 and 607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.51 : 1,448.41 = 607.42 : x
2. Step 2: Convert to fraction form
   1,049.51/1,448.41 = 607.42/x
3. Step 3: Cross multiply
   1,049.51x = 1,448.41 × 607.42
4. Step 4: Simplify right side
   1,049.51x = 879,793.20
5. Step 5: Solve for x
   x = 879,793.20/1,049.51
6. Step 6: Final answer
   x = 838.29