Finding the Fourth Proportional to 2,596,660.10, 3,891,508.17 and 2,020,978.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596,660.10 : 3,891,508.17 = 2,020,978.68 : x
2. Step 2: Convert to fraction form
   2,596,660.10/3,891,508.17 = 2,020,978.68/x
3. Step 3: Cross multiply
   2,596,660.10x = 3,891,508.17 × 2,020,978.68
4. Step 4: Simplify right side
   2,596,660.10x = 7,864,655,044,615.82
5. Step 5: Solve for x
   x = 7,864,655,044,615.82/2,596,660.10
6. Step 6: Final answer
   x = 3,028,758.00