Finding the Fourth Proportional to 2,485,379.27, 3,429,423.28 and 1,397,585.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,379.27 : 3,429,423.28 = 1,397,585.99 : x
2. Step 2: Convert to fraction form
   2,485,379.27/3,429,423.28 = 1,397,585.99/x
3. Step 3: Cross multiply
   2,485,379.27x = 3,429,423.28 × 1,397,585.99
4. Step 4: Simplify right side
   2,485,379.27x = 4,792,913,934,987.44
5. Step 5: Solve for x
   x = 4,792,913,934,987.44/2,485,379.27
6. Step 6: Final answer
   x = 1,928,443.67