Finding the Fourth Proportional to 3,758.21, 5,185.93 and 2,079.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.21 : 5,185.93 = 2,079.35 : x
2. Step 2: Convert to fraction form
   3,758.21/5,185.93 = 2,079.35/x
3. Step 3: Cross multiply
   3,758.21x = 5,185.93 × 2,079.35
4. Step 4: Simplify right side
   3,758.21x = 10,783,363.55
5. Step 5: Solve for x
   x = 10,783,363.55/3,758.21
6. Step 6: Final answer
   x = 2,869.28