Finding the Fourth Proportional to 2,116,267.77, 3,175,242.72 and 677,172.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,267.77 : 3,175,242.72 = 677,172.85 : x
2. Step 2: Convert to fraction form
   2,116,267.77/3,175,242.72 = 677,172.85/x
3. Step 3: Cross multiply
   2,116,267.77x = 3,175,242.72 × 677,172.85
4. Step 4: Simplify right side
   2,116,267.77x = 2,150,188,162,144.15
5. Step 5: Solve for x
   x = 2,150,188,162,144.15/2,116,267.77
6. Step 6: Final answer
   x = 1,016,028.40