Finding the Fourth Proportional to 2,728,857.63, 3,764,661.80 and 2,002,443.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,857.63 : 3,764,661.80 = 2,002,443.15 : x
2. Step 2: Convert to fraction form
   2,728,857.63/3,764,661.80 = 2,002,443.15/x
3. Step 3: Cross multiply
   2,728,857.63x = 3,764,661.80 × 2,002,443.15
4. Step 4: Simplify right side
   2,728,857.63x = 7,538,521,223,464.45
5. Step 5: Solve for x
   x = 7,538,521,223,464.45/2,728,857.63
6. Step 6: Final answer
   x = 2,762,519.06