Finding the Fourth Proportional to 2,141,668.81, 3,211,469.86 and 1,243,336.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,668.81 : 3,211,469.86 = 1,243,336.69 : x
2. Step 2: Convert to fraction form
   2,141,668.81/3,211,469.86 = 1,243,336.69/x
3. Step 3: Cross multiply
   2,141,668.81x = 3,211,469.86 × 1,243,336.69
4. Step 4: Simplify right side
   2,141,668.81x = 3,992,938,305,767.16
5. Step 5: Solve for x
   x = 3,992,938,305,767.16/2,141,668.81
6. Step 6: Final answer
   x = 1,864,405.13