Finding the Fourth Proportional to 2,988.83, 4,482.72 and 908.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988.83 : 4,482.72 = 908.33 : x
2. Step 2: Convert to fraction form
   2,988.83/4,482.72 = 908.33/x
3. Step 3: Cross multiply
   2,988.83x = 4,482.72 × 908.33
4. Step 4: Simplify right side
   2,988.83x = 4,071,766.64
5. Step 5: Solve for x
   x = 4,071,766.64/2,988.83
6. Step 6: Final answer
   x = 1,362.33