Finding the Fourth Proportional to 897,367.76, 1,345,760.52 and 298,168.08

Step by Step Solution

1. Step 1: Write the proportion equation
   897,367.76 : 1,345,760.52 = 298,168.08 : x
2. Step 2: Convert to fraction form
   897,367.76/1,345,760.52 = 298,168.08/x
3. Step 3: Cross multiply
   897,367.76x = 1,345,760.52 × 298,168.08
4. Step 4: Simplify right side
   897,367.76x = 401,262,830,388.20
5. Step 5: Solve for x
   x = 401,262,830,388.20/897,367.76
6. Step 6: Final answer
   x = 447,155.39