Finding the Fourth Proportional to 2,080.53, 3,112.25 and 1,898.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.53 : 3,112.25 = 1,898.05 : x
2. Step 2: Convert to fraction form
   2,080.53/3,112.25 = 1,898.05/x
3. Step 3: Cross multiply
   2,080.53x = 3,112.25 × 1,898.05
4. Step 4: Simplify right side
   2,080.53x = 5,907,196.62
5. Step 5: Solve for x
   x = 5,907,196.62/2,080.53
6. Step 6: Final answer
   x = 2,839.27