Finding the Fourth Proportional to 2,976.24, 4,464.72 and 1,245

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.24 : 4,464.72 = 1,245 : x
2. Step 2: Convert to fraction form
   2,976.24/4,464.72 = 1,245/x
3. Step 3: Cross multiply
   2,976.24x = 4,464.72 × 1,245
4. Step 4: Simplify right side
   2,976.24x = 5,558,576.40
5. Step 5: Solve for x
   x = 5,558,576.40/2,976.24
6. Step 6: Final answer
   x = 1,867.65