Finding the Fourth Proportional to 2,518,860.78, 3,476,028.86 and 1,431,133.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,860.78 : 3,476,028.86 = 1,431,133.78 : x
2. Step 2: Convert to fraction form
   2,518,860.78/3,476,028.86 = 1,431,133.78/x
3. Step 3: Cross multiply
   2,518,860.78x = 3,476,028.86 × 1,431,133.78
4. Step 4: Simplify right side
   2,518,860.78x = 4,974,662,321,800.89
5. Step 5: Solve for x
   x = 4,974,662,321,800.89/2,518,860.78
6. Step 6: Final answer
   x = 1,974,965.18