Finding the Fourth Proportional to 2,613.60, 3,912.30 and 1,514.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.60 : 3,912.30 = 1,514.70 : x
2. Step 2: Convert to fraction form
   2,613.60/3,912.30 = 1,514.70/x
3. Step 3: Cross multiply
   2,613.60x = 3,912.30 × 1,514.70
4. Step 4: Simplify right side
   2,613.60x = 5,925,960.81
5. Step 5: Solve for x
   x = 5,925,960.81/2,613.60
6. Step 6: Final answer
   x = 2,267.36