Finding the Fourth Proportional to 2,268,932.72, 3,131,086.96 and 1,236,449.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268,932.72 : 3,131,086.96 = 1,236,449.76 : x
2. Step 2: Convert to fraction form
   2,268,932.72/3,131,086.96 = 1,236,449.76/x
3. Step 3: Cross multiply
   2,268,932.72x = 3,131,086.96 × 1,236,449.76
4. Step 4: Simplify right side
   2,268,932.72x = 3,871,431,720,231.13
5. Step 5: Solve for x
   x = 3,871,431,720,231.13/2,268,932.72
6. Step 6: Final answer
   x = 1,706,278.77