Finding the Fourth Proportional to 3,758.88, 5,187.18 and 2,080.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.88 : 5,187.18 = 2,080.32 : x
2. Step 2: Convert to fraction form
   3,758.88/5,187.18 = 2,080.32/x
3. Step 3: Cross multiply
   3,758.88x = 5,187.18 × 2,080.32
4. Step 4: Simplify right side
   3,758.88x = 10,790,994.30
5. Step 5: Solve for x
   x = 10,790,994.30/3,758.88
6. Step 6: Final answer
   x = 2,870.80