Finding the Fourth Proportional to 2,308,459, 3,185,614.02 and 1,289,872.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,459 : 3,185,614.02 = 1,289,872.12 : x
2. Step 2: Convert to fraction form
   2,308,459/3,185,614.02 = 1,289,872.12/x
3. Step 3: Cross multiply
   2,308,459x = 3,185,614.02 × 1,289,872.12
4. Step 4: Simplify right side
   2,308,459x = 4,109,034,709,479.12
5. Step 5: Solve for x
   x = 4,109,034,709,479.12/2,308,459
6. Step 6: Final answer
   x = 1,779,990.34