Finding the Fourth Proportional to 2,431,105.08, 3,647,288.15 and 1,292,931.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,105.08 : 3,647,288.15 = 1,292,931.39 : x
2. Step 2: Convert to fraction form
   2,431,105.08/3,647,288.15 = 1,292,931.39/x
3. Step 3: Cross multiply
   2,431,105.08x = 3,647,288.15 × 1,292,931.39
4. Step 4: Simplify right side
   2,431,105.08x = 4,715,693,339,313.20
5. Step 5: Solve for x
   x = 4,715,693,339,313.20/2,431,105.08
6. Step 6: Final answer
   x = 1,939,732.42