Finding the Fourth Proportional to 897,362.52, 1,238,375.01 and 489,464.34

Step by Step Solution

1. Step 1: Write the proportion equation
   897,362.52 : 1,238,375.01 = 489,464.34 : x
2. Step 2: Convert to fraction form
   897,362.52/1,238,375.01 = 489,464.34/x
3. Step 3: Cross multiply
   897,362.52x = 1,238,375.01 × 489,464.34
4. Step 4: Simplify right side
   897,362.52x = 606,140,406,942.14
5. Step 5: Solve for x
   x = 606,140,406,942.14/897,362.52
6. Step 6: Final answer
   x = 675,468.82