Finding the Fourth Proportional to 1,050.33, 1,449.53 and 608.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.33 : 1,449.53 = 608.39 : x
2. Step 2: Convert to fraction form
   1,050.33/1,449.53 = 608.39/x
3. Step 3: Cross multiply
   1,050.33x = 1,449.53 × 608.39
4. Step 4: Simplify right side
   1,050.33x = 881,869.27
5. Step 5: Solve for x
   x = 881,869.27/1,050.33
6. Step 6: Final answer
   x = 839.61