Finding the Fourth Proportional to 1,635.49, 2,257.72 and 1,075.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.49 : 2,257.72 = 1,075.98 : x
2. Step 2: Convert to fraction form
   1,635.49/2,257.72 = 1,075.98/x
3. Step 3: Cross multiply
   1,635.49x = 2,257.72 × 1,075.98
4. Step 4: Simplify right side
   1,635.49x = 2,429,273.39
5. Step 5: Solve for x
   x = 2,429,273.39/1,635.49
6. Step 6: Final answer
   x = 1,485.35