Finding the Fourth Proportional to 3,758.52, 5,185.83 and 2,185.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.52 : 5,185.83 = 2,185.68 : x
2. Step 2: Convert to fraction form
   3,758.52/5,185.83 = 2,185.68/x
3. Step 3: Cross multiply
   3,758.52x = 5,185.83 × 2,185.68
4. Step 4: Simplify right side
   3,758.52x = 11,334,564.91
5. Step 5: Solve for x
   x = 11,334,564.91/3,758.52
6. Step 6: Final answer
   x = 3,015.70