Finding the Fourth Proportional to 2,390.64, 3,300.92 and 1,508.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.64 : 3,300.92 = 1,508.56 : x
2. Step 2: Convert to fraction form
   2,390.64/3,300.92 = 1,508.56/x
3. Step 3: Cross multiply
   2,390.64x = 3,300.92 × 1,508.56
4. Step 4: Simplify right side
   2,390.64x = 4,979,635.88
5. Step 5: Solve for x
   x = 4,979,635.88/2,390.64
6. Step 6: Final answer
   x = 2,082.97