Finding the Fourth Proportional to 2,231.38, 3,075.05 and 1,634.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.38 : 3,075.05 = 1,634.05 : x
2. Step 2: Convert to fraction form
   2,231.38/3,075.05 = 1,634.05/x
3. Step 3: Cross multiply
   2,231.38x = 3,075.05 × 1,634.05
4. Step 4: Simplify right side
   2,231.38x = 5,024,785.45
5. Step 5: Solve for x
   x = 5,024,785.45/2,231.38
6. Step 6: Final answer
   x = 2,251.88