Finding the Fourth Proportional to 897,367.82, 1,345,760.53 and 298,168.09

Step by Step Solution

1. Step 1: Write the proportion equation
   897,367.82 : 1,345,760.53 = 298,168.09 : x
2. Step 2: Convert to fraction form
   897,367.82/1,345,760.53 = 298,168.09/x
3. Step 3: Cross multiply
   897,367.82x = 1,345,760.53 × 298,168.09
4. Step 4: Simplify right side
   897,367.82x = 401,262,842,717.67
5. Step 5: Solve for x
   x = 401,262,842,717.67/897,367.82
6. Step 6: Final answer
   x = 447,155.38