Finding the Fourth Proportional to 2,577,082.17, 3,865,618.38 and 683,674.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,082.17 : 3,865,618.38 = 683,674.77 : x
2. Step 2: Convert to fraction form
   2,577,082.17/3,865,618.38 = 683,674.77/x
3. Step 3: Cross multiply
   2,577,082.17x = 3,865,618.38 × 683,674.77
4. Step 4: Simplify right side
   2,577,082.17x = 2,642,825,756,854.27
5. Step 5: Solve for x
   x = 2,642,825,756,854.27/2,577,082.17
6. Step 6: Final answer
   x = 1,025,510.86