Finding the Fourth Proportional to 1,049.98, 1,448.87 and 608.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.98 : 1,448.87 = 608.02 : x
2. Step 2: Convert to fraction form
   1,049.98/1,448.87 = 608.02/x
3. Step 3: Cross multiply
   1,049.98x = 1,448.87 × 608.02
4. Step 4: Simplify right side
   1,049.98x = 880,940.71
5. Step 5: Solve for x
   x = 880,940.71/1,049.98
6. Step 6: Final answer
   x = 839.01