Finding the Fourth Proportional to 3,951,953.91, 5,450,687.28 and 3,401,606.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951,953.91 : 5,450,687.28 = 3,401,606.25 : x
2. Step 2: Convert to fraction form
   3,951,953.91/5,450,687.28 = 3,401,606.25/x
3. Step 3: Cross multiply
   3,951,953.91x = 5,450,687.28 × 3,401,606.25
4. Step 4: Simplify right side
   3,951,953.91x = 18,541,091,918,443.50
5. Step 5: Solve for x
   x = 18,541,091,918,443.50/3,951,953.91
6. Step 6: Final answer
   x = 4,691,626.56