Finding the Fourth Proportional to 2,260.46, 3,120.72 and 1,515.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.46 : 3,120.72 = 1,515.68 : x
2. Step 2: Convert to fraction form
   2,260.46/3,120.72 = 1,515.68/x
3. Step 3: Cross multiply
   2,260.46x = 3,120.72 × 1,515.68
4. Step 4: Simplify right side
   2,260.46x = 4,730,012.89
5. Step 5: Solve for x
   x = 4,730,012.89/2,260.46
6. Step 6: Final answer
   x = 2,092.50