Finding the Fourth Proportional to 2,057,911.10, 3,081,617.85 and 1,638,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,911.10 : 3,081,617.85 = 1,638,007.10 : x
2. Step 2: Convert to fraction form
   2,057,911.10/3,081,617.85 = 1,638,007.10/x
3. Step 3: Cross multiply
   2,057,911.10x = 3,081,617.85 × 1,638,007.10
4. Step 4: Simplify right side
   2,057,911.10x = 5,047,711,917,786.74
5. Step 5: Solve for x
   x = 5,047,711,917,786.74/2,057,911.10
6. Step 6: Final answer
   x = 2,452,832.84