Finding the Fourth Proportional to 2,141,668.89, 3,211,469.94 and 1,243,336.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,668.89 : 3,211,469.94 = 1,243,336.77 : x
2. Step 2: Convert to fraction form
   2,141,668.89/3,211,469.94 = 1,243,336.77/x
3. Step 3: Cross multiply
   2,141,668.89x = 3,211,469.94 × 1,243,336.77
4. Step 4: Simplify right side
   2,141,668.89x = 3,992,938,666,814.21
5. Step 5: Solve for x
   x = 3,992,938,666,814.21/2,141,668.89
6. Step 6: Final answer
   x = 1,864,405.22