Finding the Fourth Proportional to 2,229.82, 3,075.96 and 1,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.82 : 3,075.96 = 1,442.50 : x
2. Step 2: Convert to fraction form
   2,229.82/3,075.96 = 1,442.50/x
3. Step 3: Cross multiply
   2,229.82x = 3,075.96 × 1,442.50
4. Step 4: Simplify right side
   2,229.82x = 4,437,072.30
5. Step 5: Solve for x
   x = 4,437,072.30/2,229.82
6. Step 6: Final answer
   x = 1,989.88