Finding the Fourth Proportional to 2,196,141.30, 3,293,908.20 and 680,866.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,141.30 : 3,293,908.20 = 680,866.20 : x
2. Step 2: Convert to fraction form
   2,196,141.30/3,293,908.20 = 680,866.20/x
3. Step 3: Cross multiply
   2,196,141.30x = 3,293,908.20 × 680,866.20
4. Step 4: Simplify right side
   2,196,141.30x = 2,242,710,759,282.84
5. Step 5: Solve for x
   x = 2,242,710,759,282.84/2,196,141.30
6. Step 6: Final answer
   x = 1,021,205.13