Finding the Fourth Proportional to 2,275,116.12, 3,139,641 and 1,256,499

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,116.12 : 3,139,641 = 1,256,499 : x
2. Step 2: Convert to fraction form
   2,275,116.12/3,139,641 = 1,256,499/x
3. Step 3: Cross multiply
   2,275,116.12x = 3,139,641 × 1,256,499
4. Step 4: Simplify right side
   2,275,116.12x = 3,944,955,776,859
5. Step 5: Solve for x
   x = 3,944,955,776,859/2,275,116.12
6. Step 6: Final answer
   x = 1,733,957.99