Finding the Fourth Proportional to 2,147,900.27, 3,222,742.62 and 869,411.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,900.27 : 3,222,742.62 = 869,411.51 : x
2. Step 2: Convert to fraction form
   2,147,900.27/3,222,742.62 = 869,411.51/x
3. Step 3: Cross multiply
   2,147,900.27x = 3,222,742.62 × 869,411.51
4. Step 4: Simplify right side
   2,147,900.27x = 2,801,889,511,481.84
5. Step 5: Solve for x
   x = 2,801,889,511,481.84/2,147,900.27
6. Step 6: Final answer
   x = 1,304,478.40