Finding the Fourth Proportional to 1,898.28, 2,842.56 and 1,075.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.28 : 2,842.56 = 1,075.32 : x
2. Step 2: Convert to fraction form
   1,898.28/2,842.56 = 1,075.32/x
3. Step 3: Cross multiply
   1,898.28x = 2,842.56 × 1,075.32
4. Step 4: Simplify right side
   1,898.28x = 3,056,661.62
5. Step 5: Solve for x
   x = 3,056,661.62/1,898.28
6. Step 6: Final answer
   x = 1,610.23