Finding the Fourth Proportional to 2,071,145.16, 2,856,708 and 1,382,469.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,145.16 : 2,856,708 = 1,382,469.80 : x
2. Step 2: Convert to fraction form
   2,071,145.16/2,856,708 = 1,382,469.80/x
3. Step 3: Cross multiply
   2,071,145.16x = 2,856,708 × 1,382,469.80
4. Step 4: Simplify right side
   2,071,145.16x = 3,949,312,523,134.86
5. Step 5: Solve for x
   x = 3,949,312,523,134.86/2,071,145.16
6. Step 6: Final answer
   x = 1,906,825.56