Finding the Fourth Proportional to 2,085,443.10, 3,128,164.65 and 1,679,535.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,443.10 : 3,128,164.65 = 1,679,535.90 : x
2. Step 2: Convert to fraction form
   2,085,443.10/3,128,164.65 = 1,679,535.90/x
3. Step 3: Cross multiply
   2,085,443.10x = 3,128,164.65 × 1,679,535.90
4. Step 4: Simplify right side
   2,085,443.10x = 5,253,864,830,785.93
5. Step 5: Solve for x
   x = 5,253,864,830,785.93/2,085,443.10
6. Step 6: Final answer
   x = 2,519,303.85