Finding the Fourth Proportional to 2,162,315.52, 2,984,469.12 and 1,257,419.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162,315.52 : 2,984,469.12 = 1,257,419.52 : x
2. Step 2: Convert to fraction form
   2,162,315.52/2,984,469.12 = 1,257,419.52/x
3. Step 3: Cross multiply
   2,162,315.52x = 2,984,469.12 × 1,257,419.52
4. Step 4: Simplify right side
   2,162,315.52x = 3,752,729,728,325.22
5. Step 5: Solve for x
   x = 3,752,729,728,325.22/2,162,315.52
6. Step 6: Final answer
   x = 1,735,514.40