Finding the Fourth Proportional to 2,288,259.10, 3,428,452.05 and 1,489,129.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,259.10 : 3,428,452.05 = 1,489,129.30 : x
2. Step 2: Convert to fraction form
   2,288,259.10/3,428,452.05 = 1,489,129.30/x
3. Step 3: Cross multiply
   2,288,259.10x = 3,428,452.05 × 1,489,129.30
4. Step 4: Simplify right side
   2,288,259.10x = 5,105,408,401,300.06
5. Step 5: Solve for x
   x = 5,105,408,401,300.06/2,288,259.10
6. Step 6: Final answer
   x = 2,231,132.13