Finding the Fourth Proportional to 2,818,464.05, 4,225,625.72 and 898,270.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818,464.05 : 4,225,625.72 = 898,270.31 : x
2. Step 2: Convert to fraction form
   2,818,464.05/4,225,625.72 = 898,270.31/x
3. Step 3: Cross multiply
   2,818,464.05x = 4,225,625.72 × 898,270.31
4. Step 4: Simplify right side
   2,818,464.05x = 3,795,754,111,120.46
5. Step 5: Solve for x
   x = 3,795,754,111,120.46/2,818,464.05
6. Step 6: Final answer
   x = 1,346,745.62