Finding the Fourth Proportional to 2,019.60, 3,031.92 and 1,475.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.60 : 3,031.92 = 1,475.28 : x
2. Step 2: Convert to fraction form
   2,019.60/3,031.92 = 1,475.28/x
3. Step 3: Cross multiply
   2,019.60x = 3,031.92 × 1,475.28
4. Step 4: Simplify right side
   2,019.60x = 4,472,930.94
5. Step 5: Solve for x
   x = 4,472,930.94/2,019.60
6. Step 6: Final answer
   x = 2,214.76