Finding the Fourth Proportional to 3,758.69, 5,188.72 and 2,682.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.69 : 5,188.72 = 2,682.79 : x
2. Step 2: Convert to fraction form
   3,758.69/5,188.72 = 2,682.79/x
3. Step 3: Cross multiply
   3,758.69x = 5,188.72 × 2,682.79
4. Step 4: Simplify right side
   3,758.69x = 13,920,206.77
5. Step 5: Solve for x
   x = 13,920,206.77/3,758.69
6. Step 6: Final answer
   x = 3,703.47