Finding the Fourth Proportional to 2,105,452.97, 3,157,850.00 and 685,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,452.97 : 3,157,850.00 = 685,499.48 : x
2. Step 2: Convert to fraction form
   2,105,452.97/3,157,850.00 = 685,499.48/x
3. Step 3: Cross multiply
   2,105,452.97x = 3,157,850.00 × 685,499.48
4. Step 4: Simplify right side
   2,105,452.97x = 2,164,704,513,701.25
5. Step 5: Solve for x
   x = 2,164,704,513,701.25/2,105,452.97
6. Step 6: Final answer
   x = 1,028,141.95