Finding the Fourth Proportional to 2,576,511, 3,865,188.78 and 1,059,782.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,511 : 3,865,188.78 = 1,059,782.76 : x
2. Step 2: Convert to fraction form
   2,576,511/3,865,188.78 = 1,059,782.76/x
3. Step 3: Cross multiply
   2,576,511x = 3,865,188.78 × 1,059,782.76
4. Step 4: Simplify right side
   2,576,511x = 4,096,260,433,189.43
5. Step 5: Solve for x
   x = 4,096,260,433,189.43/2,576,511
6. Step 6: Final answer
   x = 1,589,847.83