Finding the Fourth Proportional to 2,275,117.12, 3,139,642.38 and 1,256,500

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,117.12 : 3,139,642.38 = 1,256,500 : x
2. Step 2: Convert to fraction form
   2,275,117.12/3,139,642.38 = 1,256,500/x
3. Step 3: Cross multiply
   2,275,117.12x = 3,139,642.38 × 1,256,500
4. Step 4: Simplify right side
   2,275,117.12x = 3,944,960,650,470
5. Step 5: Solve for x
   x = 3,944,960,650,470/2,275,117.12
6. Step 6: Final answer
   x = 1,733,959.37