Finding the Fourth Proportional to 2,023.30, 3,013.68 and 1,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.30 : 3,013.68 = 1,928.50 : x
2. Step 2: Convert to fraction form
   2,023.30/3,013.68 = 1,928.50/x
3. Step 3: Cross multiply
   2,023.30x = 3,013.68 × 1,928.50
4. Step 4: Simplify right side
   2,023.30x = 5,811,881.88
5. Step 5: Solve for x
   x = 5,811,881.88/2,023.30
6. Step 6: Final answer
   x = 2,872.48