Finding the Fourth Proportional to 1,049.83, 1,448.49 and 607.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.83 : 1,448.49 = 607.71 : x
2. Step 2: Convert to fraction form
   1,049.83/1,448.49 = 607.71/x
3. Step 3: Cross multiply
   1,049.83x = 1,448.49 × 607.71
4. Step 4: Simplify right side
   1,049.83x = 880,261.86
5. Step 5: Solve for x
   x = 880,261.86/1,049.83
6. Step 6: Final answer
   x = 838.48