Finding the Fourth Proportional to 2,169,031,675.50, 2,993,054,556.69 and 1,216,451,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169,031,675.50 : 2,993,054,556.69 = 1,216,451,085.30 : x
2. Step 2: Convert to fraction form
   2,169,031,675.50/2,993,054,556.69 = 1,216,451,085.30/x
3. Step 3: Cross multiply
   2,169,031,675.50x = 2,993,054,556.69 × 1,216,451,085.30
4. Step 4: Simplify right side
   2,169,031,675.50x = 3,640,904,463,847,661,056
5. Step 5: Solve for x
   x = 3,640,904,463,847,661,056/2,169,031,675.50
6. Step 6: Final answer
   x = 1,678,585,197.71