Finding the Fourth Proportional to 3,753.89, 5,180.51 and 2,075.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.89 : 5,180.51 = 2,075.30 : x
2. Step 2: Convert to fraction form
   3,753.89/5,180.51 = 2,075.30/x
3. Step 3: Cross multiply
   3,753.89x = 5,180.51 × 2,075.30
4. Step 4: Simplify right side
   3,753.89x = 10,751,091.69
5. Step 5: Solve for x
   x = 10,751,091.69/3,753.89
6. Step 6: Final answer
   x = 2,863.99