Finding the Fourth Proportional to 3,647.72, 5,033.82 and 2,075.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.72 : 5,033.82 = 2,075.90 : x
2. Step 2: Convert to fraction form
   3,647.72/5,033.82 = 2,075.90/x
3. Step 3: Cross multiply
   3,647.72x = 5,033.82 × 2,075.90
4. Step 4: Simplify right side
   3,647.72x = 10,449,712.13
5. Step 5: Solve for x
   x = 10,449,712.13/3,647.72
6. Step 6: Final answer
   x = 2,864.72