Finding the Fourth Proportional to 2,015.68, 3,028.61 and 1,933.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.68 : 3,028.61 = 1,933.67 : x
2. Step 2: Convert to fraction form
   2,015.68/3,028.61 = 1,933.67/x
3. Step 3: Cross multiply
   2,015.68x = 3,028.61 × 1,933.67
4. Step 4: Simplify right side
   2,015.68x = 5,856,332.30
5. Step 5: Solve for x
   x = 5,856,332.30/2,015.68
6. Step 6: Final answer
   x = 2,905.38