Finding the Fourth Proportional to 2,818,443.09, 4,228,191.27 and 1,281,551.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818,443.09 : 4,228,191.27 = 1,281,551.40 : x
2. Step 2: Convert to fraction form
   2,818,443.09/4,228,191.27 = 1,281,551.40/x
3. Step 3: Cross multiply
   2,818,443.09x = 4,228,191.27 × 1,281,551.40
4. Step 4: Simplify right side
   2,818,443.09x = 5,418,644,441,536.28
5. Step 5: Solve for x
   x = 5,418,644,441,536.28/2,818,443.09
6. Step 6: Final answer
   x = 1,922,566.56