Finding the Fourth Proportional to 2,231,498.72, 3,079,403.51 and 1,264,718.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,498.72 : 3,079,403.51 = 1,264,718.36 : x
2. Step 2: Convert to fraction form
   2,231,498.72/3,079,403.51 = 1,264,718.36/x
3. Step 3: Cross multiply
   2,231,498.72x = 3,079,403.51 × 1,264,718.36
4. Step 4: Simplify right side
   2,231,498.72x = 3,894,578,135,224.83
5. Step 5: Solve for x
   x = 3,894,578,135,224.83/2,231,498.72
6. Step 6: Final answer
   x = 1,745,274.65