Finding the Fourth Proportional to 3,958,446.72, 5,462,196.12 and 2,216,214.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958,446.72 : 5,462,196.12 = 2,216,214.48 : x
2. Step 2: Convert to fraction form
   3,958,446.72/5,462,196.12 = 2,216,214.48/x
3. Step 3: Cross multiply
   3,958,446.72x = 5,462,196.12 × 2,216,214.48
4. Step 4: Simplify right side
   3,958,446.72x = 12,105,398,133,743.82
5. Step 5: Solve for x
   x = 12,105,398,133,743.82/3,958,446.72
6. Step 6: Final answer
   x = 3,058,118.24