Finding the Fourth Proportional to 2,147,900.71, 3,222,743.28 and 869,411.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,900.71 : 3,222,743.28 = 869,411.95 : x
2. Step 2: Convert to fraction form
   2,147,900.71/3,222,743.28 = 869,411.95/x
3. Step 3: Cross multiply
   2,147,900.71x = 3,222,743.28 × 869,411.95
4. Step 4: Simplify right side
   2,147,900.71x = 2,801,891,498,953.42
5. Step 5: Solve for x
   x = 2,801,891,498,953.42/2,147,900.71
6. Step 6: Final answer
   x = 1,304,479.06