Finding the Fourth Proportional to 2,722,665.28, 3,749,174.88 and 2,662,247.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722,665.28 : 3,749,174.88 = 2,662,247.92 : x
2. Step 2: Convert to fraction form
   2,722,665.28/3,749,174.88 = 2,662,247.92/x
3. Step 3: Cross multiply
   2,722,665.28x = 3,749,174.88 × 2,662,247.92
4. Step 4: Simplify right side
   2,722,665.28x = 9,981,233,025,996.25
5. Step 5: Solve for x
   x = 9,981,233,025,996.25/2,722,665.28
6. Step 6: Final answer
   x = 3,665,978.74