Finding the Fourth Proportional to 897,109.83, 1,345,891.55 and 298,073.93

Step by Step Solution

1. Step 1: Write the proportion equation
   897,109.83 : 1,345,891.55 = 298,073.93 : x
2. Step 2: Convert to fraction form
   897,109.83/1,345,891.55 = 298,073.93/x
3. Step 3: Cross multiply
   897,109.83x = 1,345,891.55 × 298,073.93
4. Step 4: Simplify right side
   897,109.83x = 401,175,175,442.46
5. Step 5: Solve for x
   x = 401,175,175,442.46/897,109.83
6. Step 6: Final answer
   x = 447,186.24