Finding the Fourth Proportional to 3,754.15, 5,180.61 and 2,075.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754.15 : 5,180.61 = 2,075.55 : x
2. Step 2: Convert to fraction form
   3,754.15/5,180.61 = 2,075.55/x
3. Step 3: Cross multiply
   3,754.15x = 5,180.61 × 2,075.55
4. Step 4: Simplify right side
   3,754.15x = 10,752,606.34
5. Step 5: Solve for x
   x = 10,752,606.34/3,754.15
6. Step 6: Final answer
   x = 2,864.19