Finding the Fourth Proportional to 940,196.70, 1,410,395.22 and 300,276.81

Step by Step Solution

1. Step 1: Write the proportion equation
   940,196.70 : 1,410,395.22 = 300,276.81 : x
2. Step 2: Convert to fraction form
   940,196.70/1,410,395.22 = 300,276.81/x
3. Step 3: Cross multiply
   940,196.70x = 1,410,395.22 × 300,276.81
4. Step 4: Simplify right side
   940,196.70x = 423,508,977,500.85
5. Step 5: Solve for x
   x = 423,508,977,500.85/940,196.70
6. Step 6: Final answer
   x = 450,447.21