Finding the Fourth Proportional to 2,563,987.28, 3,846,059.64 and 881,066.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,987.28 : 3,846,059.64 = 881,066.96 : x
2. Step 2: Convert to fraction form
   2,563,987.28/3,846,059.64 = 881,066.96/x
3. Step 3: Cross multiply
   2,563,987.28x = 3,846,059.64 × 881,066.96
4. Step 4: Simplify right side
   2,563,987.28x = 3,388,636,074,993.49
5. Step 5: Solve for x
   x = 3,388,636,074,993.49/2,563,987.28
6. Step 6: Final answer
   x = 1,321,627.49