Finding the Fourth Proportional to 3,198,144.72, 4,799,734.56 and 1,491,409.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198,144.72 : 4,799,734.56 = 1,491,409.92 : x
2. Step 2: Convert to fraction form
   3,198,144.72/4,799,734.56 = 1,491,409.92/x
3. Step 3: Cross multiply
   3,198,144.72x = 4,799,734.56 × 1,491,409.92
4. Step 4: Simplify right side
   3,198,144.72x = 7,158,371,736,150.83
5. Step 5: Solve for x
   x = 7,158,371,736,150.83/3,198,144.72
6. Step 6: Final answer
   x = 2,238,288.87