Finding the Fourth Proportional to 2,976.05, 4,464.33 and 784.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.05 : 4,464.33 = 784.79 : x
2. Step 2: Convert to fraction form
   2,976.05/4,464.33 = 784.79/x
3. Step 3: Cross multiply
   2,976.05x = 4,464.33 × 784.79
4. Step 4: Simplify right side
   2,976.05x = 3,503,553.02
5. Step 5: Solve for x
   x = 3,503,553.02/2,976.05
6. Step 6: Final answer
   x = 1,177.25