Finding the Fourth Proportional to 3,758.88, 5,186.78 and 2,080.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.88 : 5,186.78 = 2,080.08 : x
2. Step 2: Convert to fraction form
   3,758.88/5,186.78 = 2,080.08/x
3. Step 3: Cross multiply
   3,758.88x = 5,186.78 × 2,080.08
4. Step 4: Simplify right side
   3,758.88x = 10,788,917.34
5. Step 5: Solve for x
   x = 10,788,917.34/3,758.88
6. Step 6: Final answer
   x = 2,870.25