Finding the Fourth Proportional to 2,099,882.79, 3,150,283.55 and 680,082.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,882.79 : 3,150,283.55 = 680,082.39 : x
2. Step 2: Convert to fraction form
   2,099,882.79/3,150,283.55 = 680,082.39/x
3. Step 3: Cross multiply
   2,099,882.79x = 3,150,283.55 × 680,082.39
4. Step 4: Simplify right side
   2,099,882.79x = 2,142,452,362,461.27
5. Step 5: Solve for x
   x = 2,142,452,362,461.27/2,099,882.79
6. Step 6: Final answer
   x = 1,020,272.36