Finding the Fourth Proportional to 3,978,914.72, 5,491,483.82 and 2,236,727.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,914.72 : 5,491,483.82 = 2,236,727.62 : x
2. Step 2: Convert to fraction form
   3,978,914.72/5,491,483.82 = 2,236,727.62/x
3. Step 3: Cross multiply
   3,978,914.72x = 5,491,483.82 × 2,236,727.62
4. Step 4: Simplify right side
   3,978,914.72x = 12,282,953,534,977.11
5. Step 5: Solve for x
   x = 12,282,953,534,977.11/3,978,914.72
6. Step 6: Final answer
   x = 3,087,011.01