Finding the Fourth Proportional to 3,288.38, 4,933.42 and 979.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288.38 : 4,933.42 = 979.88 : x
2. Step 2: Convert to fraction form
   3,288.38/4,933.42 = 979.88/x
3. Step 3: Cross multiply
   3,288.38x = 4,933.42 × 979.88
4. Step 4: Simplify right side
   3,288.38x = 4,834,132.47
5. Step 5: Solve for x
   x = 4,834,132.47/3,288.38
6. Step 6: Final answer
   x = 1,470.07