Finding the Fourth Proportional to 2,976.92, 4,461.60 and 2,240.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.92 : 4,461.60 = 2,240.72 : x
2. Step 2: Convert to fraction form
   2,976.92/4,461.60 = 2,240.72/x
3. Step 3: Cross multiply
   2,976.92x = 4,461.60 × 2,240.72
4. Step 4: Simplify right side
   2,976.92x = 9,997,196.35
5. Step 5: Solve for x
   x = 9,997,196.35/2,976.92
6. Step 6: Final answer
   x = 3,358.23