Finding the Fourth Proportional to 2,485,160.89, 3,429,542.46 and 1,397,422.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,160.89 : 3,429,542.46 = 1,397,422.95 : x
2. Step 2: Convert to fraction form
   2,485,160.89/3,429,542.46 = 1,397,422.95/x
3. Step 3: Cross multiply
   2,485,160.89x = 3,429,542.46 × 1,397,422.95
4. Step 4: Simplify right side
   2,485,160.89x = 4,792,521,327,015.22
5. Step 5: Solve for x
   x = 4,792,521,327,015.22/2,485,160.89
6. Step 6: Final answer
   x = 1,928,455.16